Instruction Source: M87.075
Idiopathic aseptic necrosis of left foot
Instruction Source: M87.07
Idiopathic aseptic necrosis of ankle, foot and toes
Instruction Source: M87.0
Idiopathic aseptic necrosis of bone
Instruction Source: M87
Osteonecrosis
Excludes 1 (Mutually Exclusive)
- juvenile osteonecrosis (M91-M92)
- osteochondropathies (M90-M93)
Inclusion Terms
- avascular necrosis of bone
Instruction Source: M86-M90
Other osteopathies (M86-M90)
Excludes 1 (Mutually Exclusive)
- postprocedural osteopathies (M96.-)
Instruction Source: M00-M99
Diseases of the musculoskeletal system and connective tissue
Excludes 2 (Not Included Here)
- 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)
Clinical Notes
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition