G00.0 ICD-10-CA code: Haemophilus meningitis
G00.0 is the ICD-10-CA code for “Haemophilus meningitis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
G00.0Haemophilus meningitis
ICD-10-CA · Canada · Also written G000
Index terms
Entries in CIHI’s alphabetical index that lead to G00.0. Searching the index by the condition the note names is how coders reach this code.
- Meningitis (basal) (cerebral) (spinal), Haemophilus (influenzae)
- Meningitis (basal) (cerebral) (spinal), influenzal (Haemophilus influenzae)
Notes for G00.0
As CIHI prints them, with any note G00.0 takes from the headings above it.
Includes
- Meningitis due to Haemophilus influenzae
- Arachnoiditis bacterialleptomeningitis bacterialmeningitis bacterialpachymeningitis bacterialFrom G00 Bacterial meningitis, not elsewhere classified
Excludes
Conditions classified elsewhere.
- Bacterial:• meningoencephalitis (G04.2)• meningomyelitis (G04.2)From G00 Bacterial meningitis, not elsewhere classified
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 6: Diseases of the nervous system (G00-G99)
Where G00.0 sits
- 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
- 2Block G00-G09Inflammatory diseases of the central nervous system
- 3Category G00Bacterial meningitis, not elsewhere classified
- 4Valid code G00.0Haemophilus meningitis
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code G00.0 mean?
G00.0 is the ICD-10-CA code for “Haemophilus meningitis” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is G00.0 in ICD-10-CA?
G00.0 sits under G00 Bacterial meningitis, not elsewhere classified, within G00-G09 Inflammatory diseases of the central nervous system, within Chapter 6: Diseases of the nervous system (G00-G99).
What coding notes apply to G00.0?
ICD-10-CA lists Includes, Excludes notes for G00.0, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.