O22.50
✓ Billable
Cerebral venous thrombosis in pregnancy, unspecified trimester
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O22.50
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Pregnancy, Childbirth and the Puerperium
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code O22.50?
ICD-10-CM code O22.50 represents Cerebral venous thrombosis in pregnancy, unspecified trimester. It is a billable diagnosis code in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O22.50 billable?
Yes. O22.50 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is O22.50 in?
O22.50 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O22 category
O22
Venous complications and hemorrhoids in pregnancy
Non-billable
O22.0
Varicose veins of lower extremity in pregnancy
Non-billable
O22.1
Genital varices in pregnancy
Non-billable
O22.2
Superficial thrombophlebitis in pregnancy
Non-billable
O22.3
Deep phlebothrombosis in pregnancy
Non-billable
O22.4
Hemorrhoids in pregnancy
Non-billable
O22.5
Cerebral venous thrombosis in pregnancy
Non-billable
O22.8
Other venous complications in pregnancy
Non-billable
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