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ICD-10 G91 - Hydrocephalus
Chapter 6 Section G89-G99

G91

ICD-10 Not billable

Hydrocephalus

Specifically for this code:
  • acquired hydrocephalus
Specifically for this code:
  • Arnold-Chiari syndrome with hydrocephalus (Q07.-)
  • congenital hydrocephalus (Q03.-)
  • spina bifida with hydrocephalus (Q05.-)
From Chapter 6:
  • 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)
G91 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
G91.0
Communicating hydrocephalus
Billable
10
G91.1
Obstructive hydrocephalus
Billable
10
G91.2
(Idiopathic) normal pressure hydrocephalus
Billable
10
G91.3
Post-traumatic hydrocephalus, unspecified
Billable
10
G91.4
Hydrocephalus in diseases classified elsewhere
Billable
10
G91.8
Other hydrocephalus
Billable
10
G91.9
Hydrocephalus, unspecified
Billable
      
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