M12.461 Intermittent hydrarthrosis, right knee
Instructional Notes:
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M12.461
Description: Intermittent hydrarthrosis, right knee
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M12.46
Description: Intermittent hydrarthrosis, knee
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M12.4
Description: Intermittent hydrarthrosis
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M12
Description: Other and unspecified arthropathy
Exclude1:
- arthrosis (M15-M19)
- cricoarytenoid arthropathy (J38.7)
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M05-M14
Description: Inflammatory polyarthropathies (M05-M14)
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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