G08 Intracranial and intraspinal phlebitis and thrombophlebitis

Billable

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

Includes

  • 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

Excludes 1 (cannot be coded together)

  • 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)

Excludes 2 (not included here)

  • intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
This category is a complete, billable diagnosis code.

No additional specificity is required — submit G08 directly on claims and documentation without a subcode extension.

Last reviewed: September 2026