M79.4
✓ Billable
Hypertrophy of (infrapatellar) fat pad
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M79.4
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Musculoskeletal System and Connective Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code M79.4?
ICD-10-CM code M79.4 represents Hypertrophy of (infrapatellar) fat pad. It is a billable diagnosis code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M79.4 billable?
Yes. M79.4 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is M79.4 in?
M79.4 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M79 category
M79
Other and unspecified soft tissue disorders, not elsewhere classified
Non-billable
M79.0
Rheumatism, unspecified
Billable
M79.1
Myalgia
Non-billable
M79.2
Neuralgia and neuritis, unspecified
Billable
M79.3
Panniculitis, unspecified
Billable
M79.5
Residual foreign body in soft tissue
Billable
M79.6
Pain in limb, hand, foot, fingers and toes
Non-billable
M79.7
Fibromyalgia
Billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →