I77.7
Non-Billable

Other arterial dissection

Non-Billable / Non-Specific Code

What is Other arterial dissection?

ICD-10-CM I77.7 is the diagnosis code for Other arterial dissection. 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 I77.7

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

The following conditions are not included in I77.7. If the patient has both, code each condition separately:

  • dissection of aorta (I71.0-)
  • dissection of coronary artery (I25.42)

ICD-10-CM Code Hierarchy

Understanding where I77.7 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 9 entries
I77.70Dissection of unspecified arteryBillableI77.71Dissection of carotid arteryBillableI77.72Dissection of iliac arteryBillableI77.73Dissection of renal arteryBillableI77.74Dissection of vertebral arteryBillableI77.75Dissection of other precerebral arteriesBillableI77.76Dissection of artery of upper extremityBillableI77.77Dissection of artery of lower extremityBillableI77.79Dissection of other specified arteryBillable
Related Codes

Frequently Asked Questions

Is I77.7 a billable ICD-10-CM code?

No, I77.7 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does I77.7 mean?

I77.7 is the ICD-10-CM diagnosis code for "Other arterial dissection". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of I77.7?

The parent code of I77.7 is I77 ("Other disorders of arteries and arterioles"). I77.7 provides a more specific classification within this category.

What section is I77.7 in?

I77.7 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 I77.7?

I77.7 has 9 sub-code(s) that provide more specific detail: I77.70, I77.71, I77.72, I77.73, I77.74 and more.

When should I use I77.7?

Use I77.7 when the patients documented diagnosis matches "Other arterial dissection" 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 arterial dissection?

The ICD-10-CM code for Other arterial dissection is I77.7.

Can I77.7 be used for primary diagnosis?

No, I77.7 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is I77.7 in?

I77.7 is in Chapter 9 of the ICD-10-CM Tabular List.

Is I77.7 valid for 2026?

Yes, I77.7 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousI77.6Arteritis, unspecifiedNext →I77.70Dissection of unspecified artery
Code Details
I77.7
Other arterial dissection
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