G08 (Intracranial and intraspinal phlebitis and thrombophlebitis) compared with I82.463 (Acute embolism and thrombosis of calf muscular vein, bilateral), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“intracranial and intraspinal, septic or NOS (G08)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. I82.463 carries an Excludes2 note covering G08: “intracranial and intraspinal, septic or NOS (G08)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| G08Intracranial and intraspinal phlebitis and thrombophlebitis | I82.463Acute embolism and thrombosis of calf muscular vein, bilateral | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | G00-G99 — Diseases of the Nervous System (G00-G99) | I00-I99 — Diseases of the Circulatory System (I00-I99) |
| Definition | Intracranial and intraspinal phlebitis and thrombophlebitis is a billable ICD-10-CM diagnosis code (G08). | Acute embolism and thrombosis of calf muscular vein, bilateral is a billable ICD-10-CM diagnosis code (I82.463). |
| 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 | — |
| Code first | — | venous embolism and thrombosis complicating: abortion, ectopic or molar pregnancy (O00-O07, O08.7) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources