Non-Billable / Non-Specific Code
ICD-10-CM M79 is the diagnosis code for Other and unspecified soft tissue disorders, not elsewhere classified. 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 non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as M79. They are mutually exclusive:
Understanding where M79 sits in the ICD-10-CM classification helps ensure proper coding:
No, M79 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M79 is the ICD-10-CM diagnosis code for "Other and unspecified soft tissue disorders, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
M79 is located in Section M70-M79 — "Other soft tissue disorders" within Chapter 13 of the ICD-10-CM Tabular List.
M79 has 11 sub-code(s) that provide more specific detail: M79.0, M79.1, M79.2, M79.3, M79.4 and more.
Use M79 when the patients documented diagnosis matches "Other and unspecified soft tissue disorders, not elsewhere classified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Other and unspecified soft tissue disorders, not elsewhere classified is M79.
No, M79 is non-billable. Use a more specific sub-code for primary diagnosis billing.
M79 is in Chapter 13 of the ICD-10-CM Tabular List.
Type 1 Excludes for M79 include: psychogenic rheumatism (F45.8); soft tissue pain, psychogenic (F45.41).
Yes, M79 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.