G08

Intracranial and intraspinal phlebitis and thrombophlebitis

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 13 never code together

G08code

Excludes1

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

Excludes2

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

G00-G99chapter

Excludes2

certain conditions originating in the perinatal period (P04-P96)P04-P96
certain infectious and parasitic diseases (A00-B99)A00-B99
complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
neoplasms (C00-D49)C00-D49
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 5

G08code

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

Index entries leading here 5

Thrombophlebitis I80.9
- cavernous (venous) sinus G08
- cerebral (sinus) (vein) G08
- intracranial venous sinus (any) G08
- intraspinal venous sinuses and veins G08
- lateral (venous) sinus G08
- longitudinal (venous) sinus G08
- sinus (intracranial) G08
Embolism (multiple) (paradoxical) I74.9
- venous sinus G08
- intracranial — see also Occlusion, artery, cerebral
  - venous sinus (any) G08
- intraspinal venous sinuses or veins G08
Inflammation, inflamed, inflammatory (with exudation)
- vein — see also Phlebitis
  - intracranial or intraspinal (septic) G08
Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel) I82.90
- intracranial (arterial) I66.9
  - venous sinus (any) G08
- intraspinal venous sinuses and veins G08
Phlebitis (infective) (pyemic) (septic) (suppurative) I80.9
- intracranial (venous) sinus (any) G08
- intraspinal venous sinuses and veins G08

Medications 1

3 Intracranial Embolism and Thrombosis drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Block: G00-G09

Present FY2024–FY2027.