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I67.6

I67.6: Nonpyogenic thrombosis of intracranial venous system

Billable / specific codeICD-10-CM

I67.6 is a billable, specific ICD-10-CM code for nonpyogenic thrombosis of intracranial venous system. It is valid for submission on a claim.

Check I67.6 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • nonpyogenic thrombosis of intracranial venous system causing infarction (I63.6)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Nonpyogenic thrombosis of cerebral vein
  • Nonpyogenic thrombosis of intracranial venous sinus

Excludes1 inherited from the categories above I67.6

A category’s note binds every code beneath it.

Written on I67: Other cerebrovascular diseases

  • Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-)
  • Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-)

Excludes2 inherited from the categories above I67.6

Not part of this code, but both may be coded when both are present.

Written on I67: Other cerebrovascular diseases

  • sequelae of the listed conditions (I69.8)

Other codes that can never be billed with I67.6

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • G08Intracranial and intraspinal phlebitis and thrombophlebitis

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

I67.6 is named in 20 Medicare coverage policies: 20 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
  • A56551Billing and Coding: Visual Fields Testing
  • A56612Billing and Coding: CT of the Head
  • A56631Billing and Coding: Thoracic Aortography and Carotid, Vertebral, and Subclavian Angiography

Alphabetic index entries that lead here

  • Phlebitis›intracranial›nonpyogenic
  • Thrombophlebitis›cavernous sinus›nonpyogenic
  • Thrombophlebitis›cerebral›nonpyogenic
  • Thrombophlebitis›intracranial venous sinus›nonpyogenic
  • Thrombophlebitis›lateral sinus›nonpyogenic
  • Thrombophlebitis›longitudinal sinus›nonpyogenic
  • Thrombophlebitis›sinus›nonpyogenic
  • Thrombosis, thrombotic›intracranial›venous sinus(any)
  • Thrombosis, thrombotic›vein›cerebral, nonpyogenic
  • Embolism›intracranial›venous sinus›nonpyogenic
  • Thrombosis, thrombotic›intracranial›venous sinus›nonpyogenic
  • Thrombosis, thrombotic›intracranial›venous sinus›nonpyogenic origin

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I67

ICD-10-CMFY2027· effective October 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.