2021 ICD-10-CM Code I60.00

Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation

Version 2021

Valid for Submission

I60.00 is a billable diagnosis code used to specify a medical diagnosis of nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation. The code I60.00 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

The ICD-10-CM code I60.00 might also be used to specify conditions or terms like carotid artery rupture, carotid artery rupture, carotid artery rupture, ruptured internal carotid bifurcation aneurysm, ruptured internal carotid-anterior communicating artery zone aneurysm , subarachnoid hemorrhage from carotid artery aneurysm, etc.

Unspecified diagnosis codes like I60.00 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

ICD-10:I60.00
Short Description:Ntrm subarach hemorrhage from unsp carotid siphon and bifurc
Long Description:Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation

Code Classification

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Convert I60.00 to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code I60.00 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.

Information for Patients


Hemorrhagic Stroke

Also called: Intracerebral Hemorrhage, Subarachnoid Hemorrhage

A stroke is a medical emergency. There are two types - ischemic and hemorrhagic. Hemorrhagic stroke is the less common type. It happens when a blood vessel breaks and bleeds into the brain. Within minutes, brain cells begin to die. Causes include a bleeding aneurysm, an arteriovenous malformation (AVM), or an artery wall that breaks open.

Symptoms of stroke are

It is important to treat strokes as quickly as possible. With a hemorrhagic stroke, the first steps are to find the cause of bleeding in the brain and then control it. Surgery may be needed. Post-stroke rehabilitation can help people overcome disabilities caused by stroke damage.

National Institute of Neurological Disorders and Stroke


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Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)