Yes! You can use AI to fill out Physician’s Statement of Disability / Functional Limitations (ICD Diagnosis Codes, Treatment, ADLs, and Return-to-Work)

This is a medical provider statement used to support a disability, leave, or work-capacity determination by capturing the patient’s identifying information, ICD diagnosis codes and descriptions, symptom history, objective clinical findings, treatment details, and prognosis. It also documents functional limitations (including activities of daily living and lifting/carrying/reaching frequency tables), any work-related or injury circumstances, hospital confinement dates, and anticipated return-to-work timing and restrictions. The form is important because insurers/employers rely on it to evaluate eligibility, duration, and accommodations for disability benefits or job-protected leave. Today, this form can be filled out quickly and accurately using AI-powered services like Instafill.ai, which can also convert non-fillable PDF versions into interactive fillable forms.
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Form specifications

Form name: Physician’s Statement of Disability / Functional Limitations (ICD Diagnosis Codes, Treatment, ADLs, and Return-to-Work)
Number of pages: 2
Language: English
Categories: healthcare forms, disability forms, medical forms, physician forms
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How to Fill Out Physician Statement of Disability Online for Free in 2026

Are you looking to fill out a PHYSICIAN STATEMENT OF DISABILITY form online quickly and accurately? Instafill.ai offers the #1 AI-powered PDF filling software of 2026, allowing you to complete your PHYSICIAN STATEMENT OF DISABILITY form in just 37 seconds or less.
Follow these steps to fill out your PHYSICIAN STATEMENT OF DISABILITY form online using Instafill.ai:
  1. 1 Go to Instafill.ai and upload the PDF (or select the Physician Statement of Disability/Functional Limitations form from the form library).
  2. 2 Enter or import patient identifiers and demographics (name, SSN, employer, height/weight, blood pressure) and confirm accuracy.
  3. 3 Add diagnosis information by entering the primary (and any secondary) ICD code(s) and plain-language diagnosis descriptions, plus the symptoms first appeared date.
  4. 4 Complete the clinical narrative sections: symptoms description, objective findings (tests/imaging/labs), current and recommended treatment, ongoing treatment frequency, and prognosis for recovery.
  5. 5 Fill in key disability timeline dates (initial/most recent/next treatment, advised-to-stop-work date, reduced-ability-to-work date, hospital confinement from/to, and pregnancy details if applicable).
  6. 6 Document functional impact: activities of daily living dates (eating, bathing, dressing, toileting, continence, transferring, cognitive functioning) and the functional limitations table (N/O/F/C frequencies) plus restrictions and job modifications.
  7. 7 Review for completeness, then add physician contact details, signature, and date; export the completed form and share/submit it to the insurer/employer as required.

Our AI-powered system ensures each field is filled out correctly, reducing errors and saving you time.

Why Choose Instafill.ai for Your Fillable Physician Statement of Disability Form?

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Our AI performs 10 compliance checks to ensure your form is error-free.

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Frequently Asked Questions About Form Physician Statement of Disability

This form documents a patient’s medical condition, treatment, functional limitations, and work capacity for a disability-related claim or leave request. It captures diagnosis codes, clinical findings, restrictions, and key dates (symptom onset, treatment, hospital confinement, and return-to-work).

Most medical sections (diagnosis, objective findings, treatment plan, restrictions, prognosis, and signature) should be completed by the treating physician. The patient may provide basic identifying information (name, SSN, employer) if the provider’s office does not already have it.

The Primary ICD Diagnostic Code is explicitly required, and the physician signature/date are typically essential for acceptance. Missing key dates (symptoms first appeared, reduced ability to work, advised to stop work) and incomplete objective findings commonly cause processing delays.

Enter the exact ICD code assigned by the physician (e.g., M54.5) and a plain-language description that matches it (e.g., “Low back pain”). If you’re unsure, confirm the code and wording with the treating provider or medical records.

Use the secondary diagnosis fields only if the physician has documented an additional condition relevant to the disability. If there is no secondary diagnosis, leave both the secondary code and description blank.

Objective findings include measurable or documented clinical evidence such as imaging results (X-ray/MRI/CT), lab data, EKGs, exam findings, and other diagnostic reports. If the form allows attachments, include copies or concise summaries to support the diagnosis and limitations.

Describe the symptoms’ onset date/time, severity, location, frequency, progression, and what makes them better or worse. Include how symptoms affect daily activities and work tasks to align with the restrictions and functional limitations sections.

“Symptoms First Appeared” is when the condition began or was first noticed, “Reduced Ability to Work” is when work capacity first decreased, and “Advised to Stop Work” is the date the physician instructed the patient to stop working. These dates can be different and should reflect the medical timeline accurately.

Enter the start (“From”) and end (“To”) dates of the hospital stay (or expected end date if ongoing) and provide a brief reason for confinement (diagnosis/procedure). Use the month/day checkboxes only as the form instructs for the date-part fields.

Check the appropriate circumstance boxes (Illness, Injury, Work Related) and complete the “Disability Circumstances – Summary” with a clear timeline and how the injury/illness occurred. Only fill that summary if the form indicates it’s required when Injury/Work Related is “Yes.”

Enter the date the patient was first treated for the pregnancy and the estimated delivery date; if delivery has occurred, enter the actual delivery date and check the delivery method (Vaginal or C-Section). Use the “Estimated Delivery” vs “Date of Delivery” checkboxes to indicate which date you are providing.

The return-to-work range indicates when the patient is expected to resume full-time work, with a start date and (if applicable) an end date for a limited period estimate. If the date is unknown, the physician should provide the best medical estimate and note that it may change based on recovery.

Enter the date the patient was first unable to perform each activity, using the month/day/year parts as shown on the form. If an activity is not affected, leave it blank unless the form specifically requires a date for all items.

The table records how often the patient can perform specific actions (e.g., reaching, walking, stooping) at different weight ranges using the form’s frequency scale (N/O/F/C). The physician should select the appropriate frequency for each relevant task and add clarifying details in the “Additional Comments” section when needed.

Yes—tools like Instafill.ai can use AI to auto-fill form fields accurately from your provided information, saving time and reducing missed fields. Upload the PDF to Instafill.ai, map or confirm the patient/physician details and dates, review the populated fields for accuracy (especially ICD codes and medical statements), then export the completed form for signature and submission.

If the PDF is “flat” (non-fillable), Instafill.ai can convert it into an interactive fillable form so you can type into fields normally. After conversion, you can auto-fill the new fields and download a completed, legible version.

Compliance Physician Statement of Disability
Validation Checks by Instafill.ai

1
Primary ICD Diagnostic Code is present and in valid ICD-10/ICD-9 format
Validate that the Primary ICD Diagnostic Code field is not blank (required) and matches an expected ICD pattern (e.g., ICD-10 like 'M54.5' or ICD-9 like '401.9'), allowing an optional decimal in the correct position. This prevents downstream claim/clinical coding failures and ensures the diagnosis can be interpreted by payers and systems. If validation fails, block submission and prompt the user to enter a valid primary ICD code.
2
ICD Code–Description consistency (Primary and Secondary)
Check that the Primary ICD Diagnosis Description is present when a Primary ICD code is provided, and that the Secondary ICD Diagnosis Description is present only when a Secondary ICD code is provided. Also validate that descriptions are not identical placeholders (e.g., 'N/A', 'same as above') and are reasonably descriptive (minimum length). If inconsistent, flag the record and require correction to avoid mismatched coding and ambiguous clinical documentation.
3
Secondary ICD fields are either both filled or both blank
If a Secondary ICD Diagnostic Code is entered, require a corresponding Secondary ICD Diagnosis Description; if the code is blank, the description must also be blank. This ensures the secondary diagnosis is complete and prevents partial data that can cause adjudication or clinical review issues. On failure, return an error indicating which secondary field is missing or should be cleared.
4
Patient name fields completeness and character validation
Validate that First Name and Last Name are present and contain only expected characters (letters, spaces, hyphens, apostrophes), and that Middle Initial (if provided) is exactly one alphabetic character. This reduces identity matching errors and prevents invalid characters from breaking integrations. If validation fails, require correction and highlight the specific field and allowed format.
5
Social Security Number format and basic plausibility checks
Validate SSN is either 9 digits or formatted as 'XXX-XX-XXXX', and reject known invalid patterns (all zeros in any group, 000/00/0000, or non-numeric characters besides dashes). This is critical for patient identification and claim processing. If invalid, block submission and request a corrected SSN format.
6
Height and Weight numeric + unit validation with reasonable ranges
Validate Height includes a numeric value and unit (either feet/inches like 5'10" or centimeters) and Weight includes a numeric value and unit (lb/lbs or kg). Apply reasonable range checks (e.g., height 50–250 cm; weight 20–400 kg equivalent) to catch entry mistakes like swapped units or missing decimals. If validation fails, prompt for corrected values and units.
7
Blood Pressure format and physiological plausibility
Validate Blood Pressure is entered as 'systolic/diastolic' with two integers separated by a slash (e.g., 120/80). Apply plausibility rules (e.g., systolic 60–260, diastolic 30–160, and systolic > diastolic) to detect transpositions and typos. If invalid, reject the value and request a corrected reading.
8
All date fields use valid calendar dates and consistent entry method
Validate that each date provided (Symptoms First Appeared, Reduced Ability to Work Date, Advised to Stop Work Date, Hospital confinement start/end, Most Recent Treatment, Next Treatment, pregnancy dates, ADL dates, Date Signed) is a real calendar date (valid month/day/year, leap-year handling). Where the form uses separate month/day/year parts or year-digit boxes, ensure all required parts are present and combine into a single valid date. If invalid or incomplete, fail validation and identify the missing/incorrect date component.
9
Chronological consistency across key clinical timeline dates
Enforce logical ordering: Symptoms First Appeared Date should be on/before Most Recent Treatment Date; Next Treatment Date should be on/after Most Recent Treatment Date; Hospital confinement start date must be on/before end date; Date Signed by Physician should not be before key clinical events it attests to (at minimum not before Symptoms First Appeared). This prevents impossible timelines that undermine medical credibility and claim review. If checks fail, flag the conflicting dates and require correction or confirmation.
10
Reduced Ability to Work checkbox-to-date dependency
If either 'Reduced Ability to Work' checkbox is checked, require Reduced Ability to Work Date to be present and valid; if neither checkbox is checked, the Reduced Ability to Work Date should be blank (or explicitly allowed but flagged). This ensures the date is only captured when the form indicates it is applicable. On failure, prompt the user to either provide the date or uncheck the box(es).
11
Hospital confinement summary required when confinement dates are provided
If Hospital confinement start and/or end date is entered, require Hospital confinement summary to be non-empty and sufficiently descriptive (e.g., minimum character count) to explain the stay. This supports medical necessity and reduces follow-up requests. If missing, block submission until a summary is provided or the dates are cleared.
12
Pregnancy section internal consistency (First Treated, Estimated Delivery, Actual Delivery, Delivery Method)
If any pregnancy date/checkbox is used (First Treated, Estimated Delivery, Date of Delivery), require the corresponding date field to be present and valid. Enforce chronology: First Treated <= Estimated Delivery, and if Actual Date of Delivery is present it should be on/after First Treated and typically on/before or near Estimated Delivery (allow configurable tolerance). Also require exactly one delivery method (Vaginal or C-Section) if an actual delivery date is provided; otherwise flag for completion.
13
Physician contact information format validation (phone, fax, address, ZIP, state)
Validate Physician Phone Number and Fax Number contain a valid 10-digit NANP number (allow punctuation, spaces, and optional extension) and reject clearly invalid lengths. Validate Physician ZIP Code is 5 digits or ZIP+4, and Physician State is a valid US state abbreviation/name. If invalid, return field-level errors to prevent failed communications and mailing issues.
14
Physician attestation completeness (name, signature, date signed)
Require Physician Name, Physician Signature, and Date Signed by Physician to be present together; do not allow a signature without a date or vice versa. This is essential for legal/medical attestation and auditability. If any component is missing, block submission and indicate which attestation element is required.
15
Disability circumstances conditional requirement for summary
If Injury and/or Work Related is checked (as indicated by the form instructions), require Disability Circumstances – Summary to be completed with a meaningful narrative (minimum length, not just 'see notes'). This ensures the claim has the necessary context for causation and work-relatedness determinations. If missing, fail validation and request the summary or uncheck the circumstance boxes if not applicable.
16
Functional Limitations table values restricted to allowed N/O/F/C codes and single selection per cell
For each Functional Limitations Table item, validate that the recorded frequency is one of the allowed codes (N/O/F/C) and that at most one code is selected per activity/weight cell. This prevents ambiguous functional capacity reporting and supports consistent interpretation. If invalid (multiple selections or out-of-set values), reject the entry and require a single valid code.

Common Mistakes in Completing Physician Statement of Disability

Using an invalid or outdated ICD code (or leaving Primary ICD blank)

People often enter a diagnosis description (e.g., “back pain”) instead of a valid ICD code, use an outdated ICD-9 code, or forget the Primary ICD code even though it’s required. This can cause claim delays, requests for correction, or mismatches with the physician’s documentation. Always confirm the code is the physician-assigned ICD code (ICD-10 format where applicable) and that it matches the clinical record. AI-powered form filling tools like Instafill.ai can help validate ICD formatting and reduce missing required fields.

ICD code and diagnosis description don’t match

A very common error is entering a correct-looking ICD code but pairing it with a description that doesn’t correspond (or is too vague), especially when copying from prior notes. This creates inconsistencies that trigger follow-up questions and can undermine medical necessity or disability rationale. Cross-check that the “Primary ICD Diagnosis Description” is the plain-language equivalent of the exact code entered, and do the same for any secondary diagnosis. Instafill.ai can flag mismatches and standardize descriptions to align with the entered codes.

Filling Secondary ICD fields when there is no secondary diagnosis (or leaving them half-filled)

Many people enter a secondary diagnosis description without a code, enter a code without a description, or put “N/A” instead of leaving it blank as instructed. Partial or contradictory entries can confuse reviewers and lead to rework. If there is no secondary diagnosis, leave both secondary fields blank; if there is one, complete both the code and the matching description. Instafill.ai can enforce conditional logic so secondary fields are only completed when applicable.

Incorrect date formatting and mixed-up month/day/year boxes

This form uses multiple date fields and also separate “month/day/year” checkbox indicators, which people frequently misinterpret or complete inconsistently. The result is ambiguous dates (e.g., 03/07 could be March 7 or July 3), missing year digits, or checked boxes that don’t match the written date. Use a consistent format (MM/DD/YYYY) and ensure the month/day/year indicators align with the date you entered, especially for “Advised to Stop Work,” “Symptoms First Appeared,” and hospital confinement dates. Instafill.ai can format dates consistently and reduce errors when forms split dates into multiple parts.

Chronology conflicts across key disability dates

A frequent issue is entering dates that don’t make clinical sense together—such as “Reduced Ability to Work Date” occurring before “Symptoms First Appeared Date,” or “Most Recent Treatment” after “Next Treatment.” These inconsistencies can trigger claim scrutiny and requests for clarification. Before submitting, sanity-check the timeline: symptoms onset → initial/most recent treatment → advised to stop work/reduced ability → return-to-work range. Instafill.ai can automatically validate date sequences and flag conflicts.

Vitals entered without required units or in the wrong format

Weight and height are often entered without units (e.g., “150” instead of “150 lb”) or with mixed systems (kg for weight but feet/inches for height) without clarity. Blood pressure is also commonly entered as a single number or reversed (diastolic/systolic) instead of systolic/diastolic (e.g., 120/80). Missing units or incorrect formats can lead to data rejection or misinterpretation in medical review. Always include units for height/weight and record BP as systolic/diastolic (e.g., 120/80). Instafill.ai can standardize units and enforce the correct BP format.

Name and SSN entry errors (mismatched records, missing dashes, transposed digits)

People often enter nicknames instead of the legal first name, omit the middle initial, or misspell the last name compared to official records. SSNs are frequently mistyped (transposed digits) or entered without the expected dash formatting, which can cause identity mismatches and processing delays. Use the patient’s name exactly as it appears on records and carefully verify the SSN digit-by-digit (including dashes if the form expects them). Instafill.ai can help by auto-formatting SSNs and reducing manual retyping errors.

Employer name entered inconsistently or too vaguely

A common mistake is entering a brand/store location (“Walmart #1234”) without the legal employer entity, or using abbreviations that don’t match payroll/HR records. This can slow employer verification and delay disability claim handling. Enter the employer’s full legal name as used for employment records, and include clarifying details only if needed (e.g., division/location) without replacing the legal name. Instafill.ai can reuse verified employer data consistently across forms to prevent variations.

Objective Findings are too subjective, missing attachments, or lack test details

Many submissions repeat symptoms (pain, fatigue) in the “Objective Findings” section instead of providing measurable exam findings and diagnostic evidence (imaging/labs/EKG results). Missing dates, missing report summaries, or failing to include copies/summaries of tests can weaken the medical support for disability and lead to requests for additional documentation. Include specific exam findings (ROM, strength, neuro findings), test names, dates, and key results, and attach or summarize relevant reports. Instafill.ai can help ensure required supporting details are included and consistently formatted.

Disability circumstances checkboxes don’t match the written summary (or summary filled when not required)

People often check “Illness,” “Injury,” and “Work Related” inconsistently, or they write a “Disability Circumstances – Summary” even when the instructions say to fill it only if Injury/Work Related is “Yes.” Inconsistencies can trigger follow-up questions about causation and compensability. Only check the boxes that truly apply, and provide the circumstances summary only when the condition is injury-related and/or work-related, with a clear timeline and event description. Instafill.ai can apply conditional rules so the summary is prompted only when the relevant boxes are selected.

Functional limitations table filled without using the N/O/F/C frequency scale correctly

In the functional limitations grid, people frequently check a capability box but forget to record the required frequency code (N/O/F/C), or they mark multiple frequencies for the same activity/weight row. This makes the limitations unclear and can lead to an incomplete assessment of work capacity. For each applicable activity and weight range, select the correct frequency code exactly as the form defines it and avoid contradictory markings. Instafill.ai can guide structured entry and prevent incomplete rows by validating that each checked item has a corresponding frequency.
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