ICD-10-CM 2027
ICD-10 code for antepartum thrombophlebitis
From the official ICD-10-CM alphabetic index entry “Thrombophlebitis › antepartum”. Page updated September 29, 2026.
About coding antepartum thrombophlebitis
The ICD-10-CM code for antepartum thrombophlebitis is O22.2 (Superficial thrombophlebitis in pregnancy). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on O22.2.
Within O22 (venous complications and hemorrhoids in pregnancy), O22.2 is specifically for superficial thrombophlebitis in pregnancy. Related codes cover varicose veins of lower extremity in pregnancy (O22.0), genital varices in pregnancy (O22.1), deep phlebothrombosis in pregnancy (O22.3), hemorrhoids in pregnancy (O22.4), cerebral venous thrombosis in pregnancy (O22.5), other venous complications in pregnancy (O22.8) and venous complication in pregnancy, unspecified (O22.9).
To report this condition, pick the subcode that matches the documentation: O22.20 (unspecified trimester), O22.21 (first trimester), O22.22 (second trimester) and O22.23 (third trimester).
Use an additional code to identify the superficial thrombophlebitis (I80.0-).
More specific antepartum thrombophlebitis codes (official index)
Common questions about antepartum thrombophlebitis ICD-10 codes
What is the ICD-10 code for antepartum thrombophlebitis?
- O22.2 — Superficial thrombophlebitis in pregnancy (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: O22.3, O22.2.
What is the ICD-10 code for deep antepartum thrombophlebitis?
- O22.3 — Deep phlebothrombosis in pregnancy (header code; choose a more specific subcode).
What is the ICD-10 code for superficial antepartum thrombophlebitis?
- O22.2 — Superficial thrombophlebitis in pregnancy (header code; choose a more specific subcode).
Is O22.2 billable?
- No. O22.2 is a header code. Report one of its more specific subcodes instead.