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ICD-10-CM Codes
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M00-M99
Diseases of the musculoskeletal system and connective tissue
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M70-M79
Other soft tissue disorders
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M79-
Other and unspecified soft tissue disorders, not elsewhere classified
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2022 ICD-10-CM Diagnosis Code M79.4
2022 ICD-10-CM Diagnosis Code M79.4
Hypertrophy of (infrapatellar) fat pad
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
- M79.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2022 edition of ICD-10-CM M79.4 became effective on October 1, 2021.
- This is the American ICD-10-CM version of M79.4 - other international versions of ICD-10 M79.4 may differ.
The following code(s) above
M79.4 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
M79.4:
Approximate Synonyms
- Hypertrophy of bilateral infrapatellar fat pads
- Hypertrophy of fat pad of knee
- Hypertrophy of infrapatellar fat pad
- Hypertrophy of left infrapatellar fat pad
- Hypertrophy of right infrapatellar fat pad
ICD-10-CM M79.4 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
- 606 Minor skin disorders with mcc
- 607 Minor skin disorders without mcc
Convert M79.4 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- Degeneration, degenerative
- infrapatellar fat pad M79.4
- popliteal fat pad M79.4
- Fat
- localized (pad) E65
ICD-10-CM Diagnosis Code E65
Localized adiposity
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
- knee M79.4
- retropatellar M79.4
- pad E65
ICD-10-CM Diagnosis Code E65
Localized adiposity
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
- Fibrosis, fibrotic
- infrapatellar fat pad M79.4
- popliteal fat pad M79.4
- Hypertrophy, hypertrophic
- fat pad E65
ICD-10-CM Diagnosis Code E65
Localized adiposity
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
- knee M79.4 (infrapatellar) (popliteal) (prepatellar) (retropatellar)
ICD-10-CM Codes Adjacent To M79.4
M77.9 Enthesopathy, unspecified
M79 Other and unspecified soft tissue disorders, not elsewhere classified
M79.0 Rheumatism, unspecified
M79.11 …… of mastication muscle
M79.12 …… of auxiliary muscles, head and neck
M79.2 Neuralgia and neuritis, unspecified
M79.3 Panniculitis, unspecified
M79.4
Hypertrophy of (infrapatellar) fat pad
M79.5 Residual foreign body in soft tissue
M79.6 Pain in limb, hand, foot, fingers and toes
M79.60 Pain in limb, unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.