M79.9 Soft tissue disorder, unspecified

Billable ICD-10-CM code, FY2026.

Applies from M79 Other and unspecified soft tissue disorders, not elsewhere classified

Excludes1 (never code together)

• psychogenic rheumatism (F45.8)
• soft tissue pain, psychogenic (F45.41)

MS-DRG index

Defines the logic of DRG(s) 555-556 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 729.90 Disorders of soft tissue, unspecified (approximate)

Diagnosis Index entries for M79.9

• Disorder (of) › soft tissue
• Disorder (of) › soft tissue › ankle
• Disorder (of) › soft tissue › foot
• Disorder (of) › soft tissue › forearm
• Disorder (of) › soft tissue › hand
• Disorder (of) › soft tissue › lower leg
• Disorder (of) › soft tissue › multiple sites
• Disorder (of) › soft tissue › pelvic region
• Disorder (of) › soft tissue › shoulder region
• Disorder (of) › soft tissue › thigh
• Disorder (of) › soft tissue › upper arm

Nearby codes

• M79.A3 Nontraumatic compartment syndrome of abdomen
• M79.A9 Nontraumatic compartment syndrome of other sites
• M79.8 Other specified soft tissue disorders
• M79.81 Nontraumatic hematoma of soft tissue
• M79.89 Other specified soft tissue disorders
• M79.9 Soft tissue disorder, unspecified (this code)