M79.4
Billable

Hypertrophy of (infrapatellar) fat pad

Billable / Specific Code

What is Hypertrophy of (infrapatellar) fat pad?

ICD-10-CM M79.4 is the diagnosis code for Hypertrophy of (infrapatellar) fat pad. This code falls under the section "Other soft tissue disorders" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for M79.4

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where M79.4 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is M79.4 a billable ICD-10-CM code?

Yes, M79.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does M79.4 mean?

M79.4 is the ICD-10-CM diagnosis code for "Hypertrophy of (infrapatellar) fat pad". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M79.4?

The parent code of M79.4 is M79 ("Other and unspecified soft tissue disorders, not elsewhere classified"). M79.4 provides a more specific classification within this category.

What section is M79.4 in?

M79.4 is located in Section M70-M79 — "Other soft tissue disorders" within Chapter 13 of the ICD-10-CM Tabular List.

When should I use M79.4?

Use M79.4 when the patients documented diagnosis matches "Hypertrophy of (infrapatellar) fat pad" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Hypertrophy of (infrapatellar) fat pad?

The ICD-10-CM code for Hypertrophy of (infrapatellar) fat pad is M79.4.

Can M79.4 be used for primary diagnosis?

Yes, M79.4 can be used as a primary diagnosis code since it is billable and specific.

What chapter is M79.4 in?

M79.4 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M79.4 valid for 2026?

Yes, M79.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM79.3Panniculitis, unspecifiedNext →M79.5Residual foreign body in soft tissue
Code Details
M79.4
Hypertrophy of (infrapatellar) fat pad
Billable / Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M70-M79 — Other soft tissue disorders
2026 ICD-10-CM