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I60.10

I60.10Nontraumatic subarachnoid hemorrhage from unspecified middle cerebral artery

Billable / specific codeICD-10-CM

I60.10 is a billable, specific ICD-10-CM code for nontraumatic subarachnoid hemorrhage from unspecified middle cerebral artery. It is valid for submission on a claim.

Risk adjustment

I60.10 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 248 Intracranial Hemorrhage0.239 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

I60.10 is named in 6 Medicare coverage policies 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52868Billing and Coding: Transesophageal Echocardiography (TEE)
  • A56722Billing and Coding: Intraoperative Neurophysiological Testing
  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck

Code history

I60.10 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share I60.1. If I60.10 is not quite right, the correct code is usually one of these.

Questions about I60.10

Is I60.10 a billable ICD-10-CM code?
Yes. I60.10 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I60.10 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Cerebrovascular diseases (I60-I69).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.