ICD-10-CM code "M90.56": Osteonecrosis in diseases classified elsewhere, lower leg (2024)

Excludes

1. Diseases of the musculoskeletal system and connective tissue (M00-M99)

   Type 2arthropathic psoriasis (L40.5-)

   Type 2certain conditions originating in the perinatal period (P04-P96)

   Type 2certain infectious and parasitic diseases (A00-B99)

   Type 2compartment syndrome (traumatic) (T79.A-)

   Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

   Type 2congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)

   Type 2endocrine, nutritional and metabolic diseases (E00-E88)

   Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

   Type 2neoplasms (C00-D49)

   Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

2. Other osteopathies (M86-M90)

   Type 1postprocedural osteopathies (M96.-)

3. Osteopathies in diseases classified elsewhere (M90)

   Type 1osteochondritis, osteomyelitis, and osteopathy (in):

   Type 1cryptococcosis (B45.3)

   Type 1diabetes mellitus (E08-E13 with .69-)

   Type 1gonococcal (A54.43)

   Type 1neurogenic syphilis (A52.11)

   Type 1renal osteodystrophy (N25.0)

   Type 1salmonellosis (A02.24)

   Type 1secondary syphilis (A51.46)

   Type 1syphilis (late) (A52.77)

4. Osteonecrosis in diseases classified elsewhere (M90.5)
5. Osteonecrosis in diseases classified elsewhere, lower leg (M90.56)

Includes

1. Diseases of the musculoskeletal system and connective tissue (M00-M99)
2. Other osteopathies (M86-M90)
3. Osteopathies in diseases classified elsewhere (M90)
4. Osteonecrosis in diseases classified elsewhere (M90.5)
5. Osteonecrosis in diseases classified elsewhere, lower leg (M90.56)

Subcategories

• Osteonecrosis in diseases classified elsewhere, right lower leg (M90.561)
• Osteonecrosis in diseases classified elsewhere, left lower leg (M90.562)
• Osteonecrosis in diseases classified elsewhere, unspecified lower leg (M90.569)