I70.55

Billable code

Atherosclerosis of nonautologous biological bypass graft(s) of other extremity with ulceration

The ICD-10 code for atherosclerosis of nonautologous biological bypass graft(s) of other extremity with ulceration is I70.55.

Clinical notes

Includes

Terms listed here further define or give examples of the conditions grouped under this code — they describe what the code covers, not a separate diagnosis.

any condition classifiable to I70.518, I70.528, and I70.538

Use additional code

This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.

code to identify severity of ulcer (L98.49)

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

•Laterality-specific codes exist for this condition — confirm the affected side is documented.
•If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
•As a general rule, code to the highest level of specificity supported by the documentation in the medical record.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

44032Approximate match
7078Approximate match

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

I70.55 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.