G03 ICD-10-CA category: Meningitis due to other and unspecified causes
G03 isn’t a code on its own. Choose one of the 5 codes beneath it, the one the documentation supports.
Official description
G03Meningitis due to other and unspecified causes
ICD-10-CA · Canada
Codes in G03
G03 isn’t a code on its own. Open the code that matches what the note documents.
Notes for G03
As CIHI prints them, with any note G03 takes from the headings above it.
Includes
- arachnoiditis, leptomeningitis, meningitis, pachymeningitis due to other and unspecified causes
Excludes
Conditions classified elsewhere.
- Meningoencephalitis (G04.-)meningomyelitis (G04.-)West Nile meningitis (A92.3)
- 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 G03 sits
- 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
- 2Block G00-G09Inflammatory diseases of the central nervous system
- 3Category G03Meningitis due to other and unspecified causes
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
Is G03 a valid ICD-10-CA code?
No. G03 (Meningitis due to other and unspecified causes) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 5 codes; record the one the documentation supports.
Where is G03 in ICD-10-CA?
G03 sits under G00-G09 Inflammatory diseases of the central nervous system, within Chapter 6: Diseases of the nervous system (G00-G99).
What coding notes apply to G03?
ICD-10-CA lists Includes, Excludes notes for G03, 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.
Codes beside G03
View G00-G09G00Bacterial meningitis, not elsewhere classifiedG01Meningitis in bacterial diseases classified elsewhereG02Meningitis in other infectious and parasitic diseases classified elsewhereG04Encephalitis, myelitis and encephalomyelitisG05Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhereG06Intracranial and intraspinal abscess and granulomaG07Intracranial and intraspinal abscess and granuloma in diseases classified elsewhereG08Intracranial and intraspinal phlebitis and thrombophlebitisG09Sequelae of inflammatory diseases of central nervous system