U.S. ICD-10-CM · FY 2027

G08 ICD-10-CM Code: Intracranial and intraspinal phlebitis and thrombophlebitis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

G08

Intracranial and intraspinal phlebitis and thrombophlebitis

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where G08 sits

  1. 1

    Chapter 6

    Diseases of the nervous system (G00-G99)

  2. 2

    Section

    Inflammatory diseases of the central nervous system (G00-G09)

  3. 3

    Category G08

    Intracranial and intraspinal phlebitis and thrombophlebitis

  4. 4

    Code G08

    Intracranial and intraspinal phlebitis and thrombophlebitis

Documentation details

Notes for this code

Inclusion terms

  • Septic embolism of intracranial or intraspinal venous sinuses and veins
  • Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
  • Septic phlebitis of intracranial or intraspinal venous sinuses and veins
  • Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
  • Septic thrombosis of intracranial or intraspinal venous sinuses and veins

Code first

No “code first” instruction is listed for G08.

Use additional code

No “use additional code” instruction is listed for G08.

Excludes1

Conditions that should not be reported together with this code.

  • intracranial phlebitis and thrombophlebitis complicating:
  • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
  • pregnancy, childbirth and the puerperium (O22.5, O87.3)
  • nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6)

Excludes2

Conditions not included here that may be reported separately when present.

  • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code G08 mean?

G08 is the FY 2027 U.S. ICD-10-CM code for “Intracranial and intraspinal phlebitis and thrombophlebitis.”

Is G08 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, G08 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is G08 located in ICD-10-CM?

G08 is listed in Chapter 6, Diseases of the nervous system (G00-G99), within Inflammatory diseases of the central nervous system (G00-G09) (G00–G09), under category G08, Intracranial and intraspinal phlebitis and thrombophlebitis.

What coding notes are listed for G08?

Its listed inclusion terms are Septic embolism of intracranial or intraspinal venous sinuses and veins; Septic endophlebitis of intracranial or intraspinal venous sinuses and veins; Septic phlebitis of intracranial or intraspinal venous sinuses and veins; Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins; Septic thrombosis of intracranial or intraspinal venous sinuses and veins. No code-first instruction is listed. Excludes1 notes: intracranial phlebitis and thrombophlebitis complicating:; abortion, ectopic or molar pregnancy (O00-O07, O08.7); pregnancy, childbirth and the puerperium (O22.5, O87.3); nonpyogenic intracranial phlebitis and thrombophlebitis (I67.6). Excludes2 notes: intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1).

Ready to transform your clinical documentation?

Join Vero and see how effortless documentation can be.

  • No credit card required

  • Cancel anytime