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G08 ICD-10-CA code: Intracranial and intraspinal phlebitis and thrombophlebitis

G08 is the ICD-10-CA code for “Intracranial and intraspinal phlebitis and thrombophlebitis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

G08

Intracranial and intraspinal phlebitis and thrombophlebitis

Short description: Intrcran intraspin phleb & thrombophleb

ICD-10-CA · Canada

Index terms

Entries in CIHI’s alphabetical index that lead to G08. Searching the index by the condition the note names is how coders reach this code.

  • Thrombophlebitis, sinus (intracranial)
  • Thrombophlebitis, lateral (venous) sinus
  • Thrombophlebitis, cerebral (sinus) (vein)
  • Thrombophlebitis, cavernous (venous) sinus
  • Thrombophlebitis, longitudinal (venous) sinus
  • Thrombophlebitis, intracranial venous sinus (any)
  • Embolism (septic), intracranial, venous sinus (any)
  • Thrombophlebitis, intraspinal venous sinus and vein
  • Embolism (septic), intraspinal venous sinuses or veins
  • Phlebitis (infective) (pyemic) (septic) (suppurative), intracranial (venous) sinus (any)
  • Phlebitis (infective) (pyemic) (septic) (suppurative), intraspinal venous sinuses and veins
  • Thrombosis, thrombotic (multiple) (progressive) (septic) (vein) (vessel), cerebrovenous sinus
  • Inflammation, inflamed, inflammatory (with exudation), vein, intracranial or intraspinal (septic)
  • Thrombosis, thrombotic (multiple) (progressive) (septic) (vein) (vessel), cavernous (venous) sinus
  • Thrombosis, thrombotic (multiple) (progressive) (septic) (vein) (vessel), sinus, intracranial (any)
  • Thrombosis, thrombotic (multiple) (progressive) (septic) (vein) (vessel), brain (artery) (stem), sinus
  • Thrombosis, thrombotic (multiple) (progressive) (septic) (vein) (vessel), intraspinal venous sinus and vein
  • Thrombosis, thrombotic (multiple) (progressive) (septic) (vein) (vessel), intracranial (arterial), venous sinus (any)

Notes for G08

As CIHI prints them, with any note G08 takes from the headings above it.

Includes

  • Septicembolism, endophlebitis, phlebitis, thrombophlebitis, thrombosis of intracranial or intraspinal venous sinuses and veins

Excludes

Conditions classified elsewhere.

  • Intracranial phlebitis and thrombophlebitis complicating:• abortion or ectopic or molar pregnancy (O00-O07,O08.7)• of nonpyogenic origin (I67.6)• pregnancy, childbirth and the puerperium (O22.5)(O87.3)nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
  • 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 G08 sits

  1. 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
  2. 2Block G00-G09Inflammatory diseases of the central nervous system
  3. 3Valid code G08Intracranial and intraspinal phlebitis and thrombophlebitis

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.

See G08 in the CIHI source

Frequently asked questions

What does ICD-10-CA code G08 mean?

G08 is the ICD-10-CA code for “Intracranial and intraspinal phlebitis and thrombophlebitis” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is G08 in ICD-10-CA?

G08 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 G08?

ICD-10-CA lists Includes, Excludes notes for G08, 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 G08

G00Bacterial meningitis, not elsewhere classifiedG01Meningitis in bacterial diseases classified elsewhereG02Meningitis in other infectious and parasitic diseases classified elsewhereG03Meningitis due to other and unspecified causesG04Encephalitis, myelitis and encephalomyelitisG05Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhereG06Intracranial and intraspinal abscess and granulomaG07Intracranial and intraspinal abscess and granuloma in diseases classified elsewhereG09Sequelae of inflammatory diseases of central nervous system