F0100EZMuscle Performance Assessment of Neurological System - Head and Neck using Orthosis
- Billable / Specific Code
F0100EZ is a billable ICD-10-PCS procedure code for Muscle Performance Assessment of Neurological System - Head and Neck using Orthosis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 945, 946. The root operation Motor and/or Nerve Function Assessment involves measurement of motor, nerve, and related functions. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Physical, occupational, and respiratory therapy evaluation.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | F | Physical Rehabilitation and Diagnostic Audiology |
| 2 | Section Qualifier | 0 | Rehabilitation |
| 3 | Type | 1 | Motor and/or Nerve Function Assessment |
| 4 | BodySystem/Region | 0 | Neurological System - Head and Neck |
| 5 | TypeQualifier | 0 | Muscle Performance |
| 6 | Equipment | E | Orthosis |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code testing of the range of motion, open the FY 2027 ICD-10-PCS Alphabetic Index at Testing, then the subterm Range of motion. The index leads to table F01, where the type qualifier, equipment and qualifier values shown in the breakdown above complete the seven-character code F0100EZ.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About F0100EZ
Is F0100EZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Muscle Performance Assessment of Neurological System - Head and Neck using Orthosis on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in F0100EZ mean?
The code breaks down character by character: the 1st character F is the Section (Physical Rehabilitation and Diagnostic Audiology); the 2nd character 0 is the Section Qualifier (Rehabilitation); the 3rd character 1 is the Type (Motor and/or Nerve Function Assessment); the 4th character 0 is the BodySystem/Region (Neurological System - Head and Neck); the 5th character 0 is the TypeQualifier (Muscle Performance); the 6th character E is the Equipment (Orthosis); the 7th character Z is the Qualifier (None).
What MS-DRG does F0100EZ group to?
On an inpatient stay, Muscle Performance Assessment of Neurological System - Head and Neck using Orthosis maps to MS-DRGs 945, 946, with relative weights from 1.1046 to 1.4743. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of F0100EZ?
Under the General Equivalence Mappings, Muscle Performance Assessment of Neurological System - Head and Neck using Orthosis crosswalks to ICD-9-PCS 93.04 (Manual testing of muscle function). The mapping is approximate, so confirm it fits the documentation.
