M79.4

M79.4: Hypertrophy of (infrapatellar) fat pad

Billable / specific codeICD-10-CM

M79.4 is a billable, specific ICD-10-CM code for hypertrophy of (infrapatellar) fat pad. It is valid for submission on a claim.

Check M79.4 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above M79.4

A category’s note binds every code beneath it.

Written on M79: Other and unspecified soft tissue disorders, not elsewhere classified

psychogenic rheumatism (F45.8)
soft tissue pain, psychogenic (F45.41)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

M79.4 is named in 12 Medicare coverage policies: 0 listing it as supporting medical necessity, and 12 listing it as NOT covered. Which one applies depends on your Medicare contractor.

A57701Billing and Coding: Trigger Point Injections (TPI)not covered
A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered

Alphabetic index entries that lead here

Degeneration, degenerative›infrapatellar fat pad
Degeneration, degenerative›popliteal fat pad
Fibrosis, fibrotic›infrapatellar fat pad
Fibrosis, fibrotic›popliteal fat pad
Fat›localized›knee
Fat›localized›retropatellar
Fat›pad›knee
Hypertrophy, hypertrophic›fat pad›knee(infrapatellar) (popliteal) (prepatellar) (retropatellar)

Code history

Unchanged in every release from FY2024 to FY2027.