M70.879 Other soft tissue disorders related to use, overuse and pressure, unspecified ankle and foot

Billable ICD-10-CM code, FY2026.

Applies from M70 Soft tissue disorders related to use, overuse and pressure

Includes

• soft tissue disorders of occupational origin

Excludes1 (never code together)

• bursitis NOS (M71.9-)

Excludes2 (not included here)

• bursitis of shoulder (M75.5)
• enthesopathies (M76-M77)
• pressure ulcer (pressure area) (L89.-)

Use additional code

• external cause code to identify activity causing disorder (Y93.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 729.99 Other disorders of soft tissue (approximate)

Code annotations containing back-references to M70.879

Back-references to M70

• Type 1 Excludes: M65 Synovitis and tenosynovitis ("soft tissue disorders related to use, overuse and pressure (M70.-)")
• Type 1 Excludes: M71 Other bursopathies ("bursitis related to use, overuse or pressure (M70.-)")
• Type 2 Excludes: M76 Enthesopathies, lower limb, excluding foot ("bursitis due to use, overuse and pressure (M70.-)")
• Type 2 Excludes: M77 Other enthesopathies ("bursitis due to use, overuse and pressure (M70.-)")

Nearby codes

• M70.862 Other soft tissue disorders related to use, overuse and pressure, left lower leg
• M70.869 Other soft tissue disorders related to use, overuse and pressure, unspecified leg
• M70.87 Other soft tissue disorders related to use, overuse and pressure of ankle and foot
• M70.871 Other soft tissue disorders related to use, overuse and pressure, right ankle and foot
• M70.872 Other soft tissue disorders related to use, overuse and pressure, left ankle and foot
• M70.879 Other soft tissue disorders related to use, overuse and pressure, unspecified ankle and foot (this code)
• M70.88 Other soft tissue disorders related to use, overuse and pressure other site
• M70.89 Other soft tissue disorders related to use, overuse and pressure multiple sites
• M70.9 Unspecified soft tissue disorder related to use, overuse and pressure
• M70.90 Unspecified soft tissue disorder related to use, overuse and pressure of unspecified site
• M70.91 Unspecified soft tissue disorder related to use, overuse and pressure of shoulder