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2 Minute MedicineICD-10 Lookup

ICD-10-CM code · FY2027

G91.3 Post-traumatic hydrocephalus, unspecified

BillableValid for claims as a specific diagnosis code

About G91.3

Code
G91.3
Billable
Yes
Short description
Post-traumatic hydrocephalus, unspecified
Category
G91 Hydrocephalus
Block
G89-G99 Other disorders of the nervous system
Chapter
6 Diseases of the nervous system
Code set
FY2027, October 1, 2026 to September 30, 2027

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Coding notes for G91.3

No notes of its own; the notes below apply from the codes above it.

Also applies, from G91 Hydrocephalus

Includes Conditions this code covers.

  • acquired hydrocephalus

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • Arnold-Chiari syndrome with hydrocephalus (Q07.-)
  • congenital hydrocephalus (Q03.-)
  • spina bifida with hydrocephalus (Q05.-)
Chapter 6 notes (apply to every code in it)

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

  • 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)

Related codes in G91

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