Rheumatoid myopathy with rheumatoid arthritis of knee
Non-billable header
M05.46 is a non-billable header code. Use one of the more specific codes below.
Inclusion terms
Includes (from M05)
- Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
- arthropathic psoriasis (L40.5-) (from M05)
- certain conditions originating in the perinatal period (P04-P96) (from M05)
- certain infectious and parasitic diseases (A00-B99) (from M05)
- compartment syndrome (traumatic) (T79.A-) (from M05)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M05)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M05)
- endocrine, nutritional and metabolic diseases (E00-E88) (from M05)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from M05)
- neoplasms (C00-D49) (from M05)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M05)
Also known as
- Rheumatoid, myopathy, knee
Parent code
- M05.4Rheumatoid myopathy with rheumatoid arthritisHeader
More specific codes M05.46
Related codes
- M05.40Rheumatoid myopathy with rheumatoid arthritis of unspecified siteBillable
- M05.41Rheumatoid myopathy with rheumatoid arthritis of shoulderHeader
- M05.42Rheumatoid myopathy with rheumatoid arthritis of elbowHeader
- M05.43Rheumatoid myopathy with rheumatoid arthritis of wristHeader
- M05.44Rheumatoid myopathy with rheumatoid arthritis of handHeader
- M05.45Rheumatoid myopathy with rheumatoid arthritis of hipHeader
- M05.47Rheumatoid myopathy with rheumatoid arthritis of ankle and footHeader
- M05.49Rheumatoid myopathy with rheumatoid arthritis of multiple sitesBillable