M63.869 Disorders of muscle in diseases classified elsewhere, unspecified lower leg
Instructional Notes:
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M63.869
Description: Disorders of muscle in diseases classified elsewhere, unspecified lower leg
↓
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M63.86
Description: Disorders of muscle in diseases classified elsewhere, lower leg
↓
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M63.8
Description: Disorders of muscle in diseases classified elsewhere
↓
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M63
Description: Disorders of muscle in diseases classified elsewhere
Exclude1:
- myopathy in cysticercosis (B69.81)
- myopathy in endocrine diseases (G73.7)
- myopathy in metabolic diseases (G73.7)
- myopathy in sarcoidosis (D86.87)
- myopathy in secondary syphilis (A51.49)
- myopathy in syphilis (late) (A52.78)
- myopathy in toxoplasmosis (B58.82)
- myopathy in tuberculosis (A18.09)
Code First:
- underlying disease, such as:
- leprosy (A30.-)
- neoplasm (C49.-, C79.89, D21.-, D48.1-)
- schistosomiasis (B65.-)
- trichinellosis (B75)
↓
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M60-M63
Description: Disorders of muscles (M60-M63)
Exclude1:
- dermatopolymyositis (M33.-)
- myopathy in amyloidosis (E85.-)
- myopathy in polyarteritis nodosa (M30.0)
- myopathy in rheumatoid arthritis (M05.32)
- myopathy in scleroderma (M34.-)
- myopathy in Sjögren's syndrome (M35.03)
- myopathy in systemic lupus erythematosus (M32.-)
Exclude2:
- muscular dystrophies and myopathies (G71-G72)
↓
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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)
Notes:
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition