I77.74
Billable codeDissection of vertebral artery
The ICD-10 code for dissection of vertebral artery is I77.74.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- aneurysm of vertebral artery (I72.6)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- I77.70Dissection of unspecified artery
- I77.71Dissection of carotid artery
- I77.72Dissection of iliac artery
- I77.73Dissection of renal artery
- I77.75Dissection of other precerebral arteries
- I77.76Dissection of artery of upper extremity
- I77.77Dissection of artery of lower extremity
- I77.79Dissection of other specified artery
- I77.74Dissection of vertebral artery
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 44324
Associated MS-DRGs
I77.74 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.