I73
Non-Billable

Other peripheral vascular diseases

Non-Billable / Non-Specific Code

What is Other peripheral vascular diseases?

ICD-10-CM I73 is the diagnosis code for Other peripheral vascular diseases. This code falls under the section "Diseases of arteries, arterioles and capillaries" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

â„šī¸ Excludes2

Coding Guidelines for I73

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in I73. If the patient has both, code each condition separately:

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

ICD-10-CM Code Hierarchy

Understanding where I73 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeI73 — Other peripheral vascular diseases
Sub-Codes 4 entries
I73.0Raynaud's syndromeNon-BillableI73.00Raynaud's syndrome without gangreneBillableI73.01Raynaud's syndrome with gangreneBillableI73.1Thromboangiitis obliterans [Buerger's disease]BillableI73.8Other specified peripheral vascular diseasesNon-BillableI73.81ErythromelalgiaBillableI73.89Other specified peripheral vascular diseasesBillableI73.9Peripheral vascular disease, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is I73 a billable ICD-10-CM code?

No, I73 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does I73 mean?

I73 is the ICD-10-CM diagnosis code for "Other peripheral vascular diseases". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is I73 in?

I73 is located in Section I70-I79 — "Diseases of arteries, arterioles and capillaries" within Chapter 9 of the ICD-10-CM Tabular List.

What are the sub-codes of I73?

I73 has 4 sub-code(s) that provide more specific detail: I73.0, I73.1, I73.8, I73.9.

When should I use I73?

Use I73 when the patients documented diagnosis matches "Other peripheral vascular diseases" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other peripheral vascular diseases?

The ICD-10-CM code for Other peripheral vascular diseases is I73.

Can I73 be used for primary diagnosis?

No, I73 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is I73 in?

I73 is in Chapter 9 of the ICD-10-CM Tabular List.

Is I73 valid for 2026?

Yes, I73 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousI72.9Aneurysm of unspecified siteNext →I73.0Raynaud's syndrome
Code Details
I73
Other peripheral vascular diseases
Non-Billable / Non-Specific Code
9 — Diseases of the circulatory system (I00-I99)
I70-I79 — Diseases of arteries, arterioles and capillaries
2026 ICD-10-CM