I73.8 – Other specified peripheral vascular diseases

ICD-10-CM 2027 diagnosis code · Diseases of arteries, arterioles and capillaries

Non-billable header

ICD-10-CM code I73.8

Code: I73.8 (claims format: I738)
Description: Other specified peripheral vascular diseases
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 9. Diseases of the circulatory system (I00-I99)
Block: I70-I79 Diseases of arteries, arterioles and capillaries
Parent codes: I73

Billable codes under I73.8

I73.8 is a header code and cannot be used on claims. Choose the most specific code:

I73.81 – ErythromelalgiaBillable
I73.89 – Other specified peripheral vascular diseasesBillable

Notes for I73.8

Excludes1 (not coded here):

diabetic (peripheral) angiopathy (E08-E13 with .51-.52)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

I73 – Other peripheral vascular diseases

Excludes2 (not included here):

chilblains (T69.1)
frostbite (T33-T34)
immersion hand or foot (T69.0-)
spasm of cerebral artery (G45.9)

Related codes in I73

I73.0 – Raynaud's syndromeHeader
I73.1 – Thromboangiitis obliterans [Buerger's disease]Billable
I73.9 – Peripheral vascular disease, unspecifiedBillable

Frequently asked questions

What is ICD-10 code I73.8?

I73.8 is the ICD-10-CM code for other specified peripheral vascular diseases, in the block I70-I79 (Diseases of arteries, arterioles and capillaries).

Is I73.8 a billable code?

No. I73.8 is a header code with more specific child codes; report one of the billable codes listed above.

What category does I73.8 belong to?

It belongs to category I73 – Other peripheral vascular diseases.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.