Alphabetic Index FY2027

G83.9

Paralytic syndrome, unspecified

FY2027Chapter 6: Diseases of the nervous system/G80–G83 Cerebral palsy and other paralytic syndromes

BillableComplete code, valid to report

G83.9 (also written G839) is a billable ICD-10-CM diagnosis code for paralytic syndrome, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 24 codes in category G83 (Other paralytic syndromes). The Alphabetic Index lists it under 11 entries. Its coding notes include 8 Excludes2 entries.

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)
Inherited from Chapter 6 Diseases of the nervous system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • 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)

Includes

Further defines or gives examples of the content of the category.

Inherited from G83 Other paralytic syndromes
  • paralysis (complete) (incomplete), except as in G80-G82

Notes

Inherited from G83 Other paralytic syndromes
  • This category is to be used only when the listed conditions are reported without further specification, or are stated to be old or longstanding but of unspecified cause. The category is also for use in multiple coding to identify these conditions resulting from any cause.

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 11 entries