G56.4

Causalgia of upper limb

Non-billable header

G56.4 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Applicable to

  • Complex regional pain syndrome II of upper limb

Excludes1

Not coded here — never report together with this code.

  • complex regional pain syndrome I of lower limb (G90.52-)
  • complex regional pain syndrome I of upper limb (G90.51-)
  • complex regional pain syndrome II of lower limb (G57.7-)
  • reflex sympathetic dystrophy of lower limb (G90.52-)
  • reflex sympathetic dystrophy of upper limb (G90.51-)
  • current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region (from G56)
  • neuralgia NOS (M79.2) (from G56)
  • neuritis NOS (M79.2) (from G56)
  • peripheral neuritis in pregnancy (O26.82-) (from G56)
  • radiculitis NOS (M54.1-) (from G56)
  • current traumatic nerve disorder - see nerve injury by body region (from G56)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from G56)
  • certain infectious and parasitic diseases (A00-B99) (from G56)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G56)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G56)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from G56)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from G56)
  • neoplasms (C00-D49) (from G56)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G56)

Also known as

  • Complex regional pain syndrome II of upper limb
  • Causalgia

Parent code

  • G56Mononeuropathies of upper limbHeader

More specific codes G56.4

  • G56.40Causalgia of unspecified upper limbBillable
  • G56.41Causalgia of right upper limbBillable
  • G56.42Causalgia of left upper limbBillable
  • G56.43Causalgia of bilateral upper limbsBillable

Related codes

  • G56.0Carpal tunnel syndromeHeader
  • G56.1Other lesions of median nerveHeader
  • G56.2Lesion of ulnar nerveHeader
  • G56.3Lesion of radial nerveHeader
  • G56.8Other specified mononeuropathies of upper limbHeader
  • G56.9Unspecified mononeuropathy of upper limbHeader

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