O22.50 is the authoritative medical code for Cerebral venous thrombosis in pregnancy, unspecified trimester. This classification is used in medical billing and clinical recording to specify the clinical criteria for cerebral venous thrombosis in pregnancy, unspecified trimester (ICD-10-CM O22.50), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Cerebral venous thrombosis in pregnancy, unspecified trimester is a billable ICD-10-CM diagnosis code O22.50. Excludes1 (not coded here): venous complications of:; abortion NOS O03.9; ectopic or molar pregnancy O08.7; failed attempted abortion O07.35; induced abortion O04.85; spontaneous abortion O03.89. Excludes2 (not included here): obstetric pulmonary embolism O88.-; venous complications and hemorrhoids of childbirth and the puerperium O87.-; maternal care related to the fetus and amniotic cavity and possible delivery problems O30-O48; maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium O98-O99.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for O22.50 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- venous complications of:
- abortion NOS O03.9
- ectopic or molar pregnancy O08.7
- failed attempted abortion O07.35
- induced abortion O04.85
- spontaneous abortion O03.89
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- obstetric pulmonary embolism O88.-
- venous complications and hemorrhoids of childbirth and the puerperium O87.-
- maternal care related to the fetus and amniotic cavity and possible delivery problems O30-O48
- maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium O98-O99
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with O22.50?
Per Excludes1 instructions, O22.50 must not be reported with: venous complications of:; abortion NOS (O03.9); ectopic or molar pregnancy (O08.7); failed attempted abortion (O07.35).
Can O22.50 be reported alongside related conditions?
Per Excludes2 instructions, O22.50 and the following may both be reported when both are present: obstetric pulmonary embolism (O88.-); venous complications and hemorrhoids of childbirth and the puerperium (O87.-); maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48); maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as O22.50, with their registry titles.
- O22 — Venous complications and hemorrhoids in pregnancy
- O22.0 — Varicose veins of lower extremity in pregnancy
- O22.01 — Varicose veins of lower extremity in pregnancy, first trimester
- O22.02 — Varicose veins of lower extremity in pregnancy, second trimester
- O22.03 — Varicose veins of lower extremity in pregnancy, third trimester
- O22.1 — Genital varices in pregnancy
- O22.10 — Genital varices in pregnancy, unspecified trimester
- O22.11 — Genital varices in pregnancy, first trimester
- O22.12 — Genital varices in pregnancy, second trimester
- O22.13 — Genital varices in pregnancy, third trimester
- O22.2 — Superficial thrombophlebitis in pregnancy
- O22.20 — Superficial thrombophlebitis in pregnancy, unspecified trimester
- O22.21 — Superficial thrombophlebitis in pregnancy, first trimester
- O22.22 — Superficial thrombophlebitis in pregnancy, second trimester
- O22.23 — Superficial thrombophlebitis in pregnancy, third trimester
- O22.3 — Deep phlebothrombosis in pregnancy
- O22.30 — Deep phlebothrombosis in pregnancy, unspecified trimester
- O22.31 — Deep phlebothrombosis in pregnancy, first trimester
- O22.32 — Deep phlebothrombosis in pregnancy, second trimester
- O22.33 — Deep phlebothrombosis in pregnancy, third trimester
- O22.4 — Hemorrhoids in pregnancy
- O22.40 — Hemorrhoids in pregnancy, unspecified trimester
- O22.41 — Hemorrhoids in pregnancy, first trimester
- O22.42 — Hemorrhoids in pregnancy, second trimester
- O22.43 — Hemorrhoids in pregnancy, third trimester
- O22.5 — Cerebral venous thrombosis in pregnancy
- O22.51 — Cerebral venous thrombosis in pregnancy, first trimester
- O22.52 — Cerebral venous thrombosis in pregnancy, second trimester
- O22.53 — Cerebral venous thrombosis in pregnancy, third trimester
- O22.8 — Other venous complications in pregnancy
- O22.8X — Other venous complications in pregnancy
- O22.8X1 — Other venous complications in pregnancy, first trimester
- O22.8X2 — Other venous complications in pregnancy, second trimester
- O22.8X3 — Other venous complications in pregnancy, third trimester
- O22.8X9 — Other venous complications in pregnancy, unspecified trimester
- O22.9 — Venous complication in pregnancy, unspecified
- O22.90 — Venous complication in pregnancy, unspecified, unspecified trimester
- O22.91 — Venous complication in pregnancy, unspecified, first trimester
- O22.92 — Venous complication in pregnancy, unspecified, second trimester
- O22.93 — Venous complication in pregnancy, unspecified, third trimester
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: