ICD-10 Code for Chondromalacia
Also indexed as (systemic)
The ICD-10-CM code for chondromalacia is M94.20 — Chondromalacia, unspecified site. This is the code the Alphabetic Index gives for chondromalacia with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
M94.20 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which chondromalacia code should you use?
The Alphabetic Index lists 12 codes under Chondromalacia. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| acromioclavicular joint | M94.21 | Chondromalacia, shoulder | not billable |
| ankle | M94.27 | Chondromalacia, ankle and joints of foot | not billable |
| elbow | M94.22 | Chondromalacia, elbow | not billable |
| foot joint | M94.27 | Chondromalacia, ankle and joints of foot | not billable |
| glenohumeral joint | M94.21 | Chondromalacia, shoulder | not billable |
| hand joint | M94.24 | Chondromalacia, joints of hand | not billable |
| hip | M94.25 | Chondromalacia, hip | not billable |
| knee | M94.26 | Chondromalacia, knee | not billable |
| multiple sites | M94.29 | Chondromalacia, multiple sites | |
| patella | M22.4 | Chondromalacia patellae | not billable |
| rib | M94.28 | Chondromalacia, other site | |
| sacroiliac joint | M94.259 | Chondromalacia, unspecified hip | |
| shoulder | M94.21 | Chondromalacia, shoulder | not billable |
| sternoclavicular joint | M94.21 | Chondromalacia, shoulder | not billable |
| vertebral joint | M94.28 | Chondromalacia, other site | |
| wrist | M94.23 | Chondromalacia, wrist | not billable |
Chondromalacia knee
| patella | M22.4 | Chondromalacia patellae | not billable |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources