M87.373 Other secondary osteonecrosis, unspecified ankle
Instructional Notes:
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M87.373
Description: Other secondary osteonecrosis, unspecified ankle
↓ -
M87.37
Description: Other secondary osteonecrosis, ankle and foot
↓ -
M87.3
Description: Other secondary osteonecrosis
↓ -
M87
Description: Osteonecrosis
Exclude1:- juvenile osteonecrosis (M91-M92)
- osteochondropathies (M90-M93)
- code to identify major osseous defect, if applicable (M89.7-)
- avascular necrosis of bone
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M86-M90
Description: Other osteopathies (M86-M90)
Exclude1:- postprocedural osteopathies (M96.-)
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M00-M99
Description: Diseases of the musculoskeletal system and connective tissue
Exclude2:- 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)
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition