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ICD-10 M25.46 - Effusion, knee
Chapter 13 Section M20-M25

M25.46

ICD-10 Not billable

Effusion, knee

From Section M20-M25:
  • joints of the spine (M40-M54)
From Chapter 13:
  • 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)
From Chapter 13:
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
M25.46 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
M25.461
Effusion, right knee
Billable
10
M25.462
Effusion, left knee
Billable
10
M25.469
Effusion, unspecified knee
Billable
      
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