I77.70
Billable codeDissection of unspecified artery
The ICD-10 code for dissection of unspecified artery is I77.70.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- I77.71Dissection of carotid artery
- I77.72Dissection of iliac artery
- I77.73Dissection of renal artery
- I77.74Dissection of vertebral 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
- I77.70Dissection of unspecified artery
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 44329Approximate match
Associated MS-DRGs
I77.70 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.