O22.5
ICD-10Non-billable categoryCerebral venous thrombosis in pregnancy
Official ICD-10-CM descriptor (FY2026)
Cerebral venous thrombosis in pregnancy
O22.5 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Inclusion terms
- Cerebrovenous sinus thrombosis in pregnancy
ICD-10-CM FY2026 defines 4 codes beneath O22.5. See the ICD-10-CM index for what this site publishes.
Related codes in O22
- O22.0Varicose veins of lower extremity in pregnancycategory
- O22.1Genital varices in pregnancycategory
- O22.2Superficial thrombophlebitis in pregnancycategory
- O22.3Deep phlebothrombosis in pregnancycategory
- O22.4Hemorrhoids in pregnancycategory
- O22.8Other venous complications in pregnancycategory
- O22.9Venous complication in pregnancy, unspecifiedcategory
Where this code sits
- Parent code
- O22
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.