M70.42 Prepatellar bursitis, left knee
Instructional Notes:
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M70.42
Description: Prepatellar bursitis, left knee
↓
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M70.4
Description: Prepatellar bursitis
↓
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M70
Description: Soft tissue disorders related to use, overuse and pressure
Exclude1:
Exclude2:
- bursitis of shoulder (M75.5)
- enthesopathies (M76-M77)
- pressure ulcer (pressure area) (L89.-)
Use Additional Code:
- external cause code to identify activity causing disorder (Y93.-)
Include:
- soft tissue disorders of occupational origin
↓
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M70-M79
Description: Other soft tissue disorders (M70-M79)
↓
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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