M89.059

Algoneurodystrophy, unspecified thigh

FY2027Chapter 13: Diseases of the musculoskeletal system and connective tissue/M86–M90 Other osteopathies

BillableComplete code, valid to report

M89.059 (also written M89059) is a billable ICD-10-CM diagnosis code for algoneurodystrophy, unspecified thigh. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 222 codes in category M89 (Other disorders of bone). Its coding notes include 6 Excludes1 entries and 10 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from M89.0 Algoneurodystrophy
  • causalgia, lower limb (G57.7-)
  • causalgia, upper limb (G56.4-)
  • complex regional pain syndrome II, lower limb (G57.7-)
  • complex regional pain syndrome II, upper limb (G56.4-)
  • reflex sympathetic dystrophy (G90.5-)
Also from chapter/block level (1 note)
Inherited from M86–M90 Other osteopathies
  • postprocedural osteopathies (M96.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (10 notes)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition