O22.3 Deep phlebothrombosis in pregnancy

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Deep phlebothrombosis in pregnancy is O22.3 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
O20-O29: Other maternal disorders predominantly related to pregnancy (O20-O29)
Category O22
42 codes (32 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O22.3:

  • Milk-leg (deep vessels) (nonpuerperal) › complicating pregnancy
  • Thrombophlebitis › antepartum › deep
  • Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › thrombosis › deep
  • Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › phlebothrombosis (superficial) › deep
Use Additional Code
  • code to identify the deep vein thrombosis (I82.4-, I82.5-, I82.62-, I82.72-)
  • code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)

Inclusion Terms

  • Deep vein thrombosis, antepartum

References

Related Codes

Parent Code

O22 Venous complications and hemorrhoids in pregnancy

More Specific Codes

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

Related Codes in O22

O22 Venous complications and hemorrhoids in pregnancy O22.0 Varicose veins of lower extremity in pregnancy O22.00 Varicose veins of lower extremity in pregnancy, unspecified trimester 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 O22.30 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
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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