M13.8

Other specified arthritis

Non-billable header

M13.8 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Applicable to

  • Allergic arthritis

Includes (from M13)

  • 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 M13)
  • certain conditions originating in the perinatal period (P04-P96) (from M13)
  • certain infectious and parasitic diseases (A00-B99) (from M13)
  • compartment syndrome (traumatic) (T79.A-) (from M13)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M13)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M13)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from M13)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from M13)
  • neoplasms (C00-D49) (from M13)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M13)

Also known as

  • Allergic arthritis
  • Polyarthritis, polyarthropathy, migratory

Parent code

  • M13Other arthritisHeader

More specific codes M13.8

  • M13.80Other specified arthritis, unspecified siteBillable
  • M13.81Other specified arthritis, shoulderHeader
  • M13.82Other specified arthritis, elbowHeader
  • M13.83Other specified arthritis, wristHeader
  • M13.84Other specified arthritis, handHeader
  • M13.85Other specified arthritis, hipHeader
  • M13.86Other specified arthritis, kneeHeader
  • M13.87Other specified arthritis, ankle and footHeader
  • M13.88Other specified arthritis, other siteBillable
  • M13.89Other specified arthritis, multiple sitesBillable

Related codes

  • M13.0Polyarthritis, unspecifiedBillable
  • M13.1Monoarthritis, not elsewhere classifiedHeader

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