ICD-10-CM category
M79: Other and unspecified soft tissue disorders, not elsewhere classified
Codes under M79 (Other and unspecified soft tissue disorders, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| M79.0 | Rheumatism, unspecified | ✓ |
| M79.1 | Myalgia | — |
| 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 | — |
| M79.7 | Fibromyalgia | ✓ |
| M79.8 | Other specified soft tissue disorders | — |
| M79.9 | Soft tissue disorder, unspecified | ✓ |
| M79.10 | Myalgia, unspecified site | ✓ |
| M79.11 | Myalgia of mastication muscle | ✓ |
| M79.12 | Myalgia of auxiliary muscles, head and neck | ✓ |
| M79.18 | Myalgia, other site | ✓ |
| M79.60 | Pain in limb, unspecified | — |
| M79.62 | Pain in upper arm | — |
| M79.63 | Pain in forearm | — |
| M79.64 | Pain in hand and fingers | — |
| M79.65 | Pain in thigh | — |
| M79.66 | Pain in lower leg | — |
| M79.67 | Pain in foot and toes | — |
| M79.81 | Nontraumatic hematoma of soft tissue | ✓ |
| M79.89 | Other specified soft tissue disorders | ✓ |
| M79.601 | Pain in right arm | ✓ |
| M79.602 | Pain in left arm | ✓ |
| M79.603 | Pain in arm, unspecified | ✓ |
| M79.604 | Pain in right leg | ✓ |
| M79.605 | Pain in left leg | ✓ |
| M79.606 | Pain in leg, unspecified | ✓ |
| M79.609 | Pain in unspecified limb | ✓ |
| M79.621 | Pain in right upper arm | ✓ |
| M79.622 | Pain in left upper arm | ✓ |
| M79.629 | Pain in unspecified upper arm | ✓ |
| M79.631 | Pain in right forearm | ✓ |
| M79.632 | Pain in left forearm | ✓ |
| M79.639 | Pain in unspecified forearm | ✓ |
| M79.641 | Pain in right hand | ✓ |
| M79.642 | Pain in left hand | ✓ |
| M79.643 | Pain in unspecified hand | ✓ |
| M79.644 | Pain in right finger(s) | ✓ |
| M79.645 | Pain in left finger(s) | ✓ |
| M79.646 | Pain in unspecified finger(s) | ✓ |
| M79.651 | Pain in right thigh | ✓ |
| M79.652 | Pain in left thigh | ✓ |
| M79.659 | Pain in unspecified thigh | ✓ |
| M79.661 | Pain in right lower leg | ✓ |
| M79.662 | Pain in left lower leg | ✓ |
| M79.669 | Pain in unspecified lower leg | ✓ |
| M79.671 | Pain in right foot | ✓ |
| M79.672 | Pain in left foot | ✓ |
| M79.673 | Pain in unspecified foot | ✓ |
| M79.674 | Pain in right toe(s) | ✓ |
| M79.675 | Pain in left toe(s) | ✓ |
| M79.676 | Pain in unspecified toe(s) | ✓ |
| M79.A | Nontraumatic compartment syndrome | — |
| M79.A1 | Nontraumatic compartment syndrome of upper extremity | — |
| M79.A2 | Nontraumatic compartment syndrome of lower extremity | — |
| M79.A3 | Nontraumatic compartment syndrome of abdomen | ✓ |
| M79.A9 | Nontraumatic compartment syndrome of other sites | ✓ |
| M79.A11 | Nontraumatic compartment syndrome of right upper extremity | ✓ |
| M79.A12 | Nontraumatic compartment syndrome of left upper extremity | ✓ |
| M79.A19 | Nontraumatic compartment syndrome of unspecified upper extremity | ✓ |
| M79.A21 | Nontraumatic compartment syndrome of right lower extremity | ✓ |
| M79.A22 | Nontraumatic compartment syndrome of left lower extremity | ✓ |
| M79.A29 | Nontraumatic compartment syndrome of unspecified lower extremity | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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