Venous complications and hemorrhoids in pregnancy
In Other maternal disorders predominantly related to pregnancy (O20-O29), chapter 15: Pregnancy, Childbirth and the Puerperium
32 billable codes under O22: 3 are an MCC, 18 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.
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Instructional notes
Excludes1: not coded here, use a different code
Also applies, from Other maternal disorders predominantly related to pregnancy (O20-O29)
These notes sit on O20-O29 and apply to every code under it, including O22.
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Coding of obstetric cases with O00-O9A codes: sequencing priority, trimester and fetus characters, principal diagnosis selection, delivery outcome, and pregnancy-related complications.
- General Rules for Obstetric Cases (page 63)
- Selection of OB Principal or First-listed Diagnosis (page 64)
- Pre-existing conditions versus conditions due to the pregnancy (page 65)
- Pre-existing hypertension in pregnancy (page 66)
- Fetal Conditions Affecting the Management of the Mother (page 66)
- HIV Infection in Pregnancy, Childbirth and the Puerperium (page 66)
- Diabetes mellitus in pregnancy (page 66)
- Long term use of insulin and oral hypoglycemics (page 67)
All codes under O22
O22 can't be used on a claim. Pick a billable code below; grey headings group them.
- O22.0Varicose veins of lower extremity in pregnancy
- O22.00Varicose veins of lower extremity in pregnancy, unspecified trimester
- O22.01Varicose veins of lower extremity in pregnancy, first trimester
- O22.02Varicose veins of lower extremity in pregnancy, second trimester
- O22.03Varicose veins of lower extremity in pregnancy, third trimester
- O22.1Genital varices in pregnancy
- O22.10Genital varices in pregnancy, unspecified trimester
- O22.11Genital varices in pregnancy, first trimester
- O22.12Genital varices in pregnancy, second trimester
- O22.13Genital varices in pregnancy, third trimester
- O22.2Superficial thrombophlebitis in pregnancy
- O22.20Superficial thrombophlebitis in pregnancy, unspecified trimester
- O22.21Superficial thrombophlebitis in pregnancy, first trimester
- O22.22Superficial thrombophlebitis in pregnancy, second trimester
- O22.23Superficial thrombophlebitis in pregnancy, third trimester
- O22.3Deep phlebothrombosis in pregnancy
- O22.30Deep phlebothrombosis in pregnancy, unspecified trimester
- O22.31Deep phlebothrombosis in pregnancy, first trimester
- O22.32Deep phlebothrombosis in pregnancy, second trimester
- O22.33Deep phlebothrombosis in pregnancy, third trimester
- O22.4Hemorrhoids in pregnancy
- O22.40Hemorrhoids in pregnancy, unspecified trimester
- O22.41Hemorrhoids in pregnancy, first trimester
- O22.42Hemorrhoids in pregnancy, second trimester
- O22.43Hemorrhoids in pregnancy, third trimester
- O22.5Cerebral venous thrombosis in pregnancy
- O22.50Cerebral venous thrombosis in pregnancy, unspecified trimester
- O22.51Cerebral venous thrombosis in pregnancy, first trimester
- O22.52Cerebral venous thrombosis in pregnancy, second trimester
- O22.53Cerebral venous thrombosis in pregnancy, third trimester
- O22.8Other venous complications in pregnancy
- O22.8XOther venous complications in pregnancy
- O22.8X1Other venous complications in pregnancy, first trimester
- O22.8X2Other venous complications in pregnancy, second trimester
- O22.8X3Other venous complications in pregnancy, third trimester
- O22.8X9Other venous complications in pregnancy, unspecified trimester
- O22.9Venous complication in pregnancy, unspecified
- O22.90Venous complication in pregnancy, unspecified, unspecified trimester
- O22.91Venous complication in pregnancy, unspecified, first trimester
- O22.92Venous complication in pregnancy, unspecified, second trimester
- O22.93Venous complication in pregnancy, unspecified, third trimester
O22 MS-DRGs
As the principal diagnosis, all 32 billable codes under O22 group to MS-DRG 817, 818, 819, 831, 832, or 833 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 817 Other Antepartum Diagnoses with O.R. Procedures with MCC
- DRG 818 Other Antepartum Diagnoses with O.R. Procedures with CC
- DRG 819 Other Antepartum Diagnoses with O.R. Procedures without CC/MCC
- DRG 831 Other Antepartum Diagnoses without O.R. Procedures with MCC
- DRG 832 Other Antepartum Diagnoses without O.R. Procedures with CC
- DRG 833 Other Antepartum Diagnoses without O.R. Procedures without CC/MCC
Other codes that refer to O22
Notes on these codes point to O22.
- I80 Code First: phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-)
- I82 Code First: pregnancy, childbirth and the puerperium (O22.-, O87.-)
- O87 Excludes2: venous complications in pregnancy (O22.-)
- O99.4 Excludes2: venous complications and cerebrovenous sinus thrombosis in pregnancy (O22.-)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Health Problems in Pregnancy
A health problem in pregnancy is any disease or condition that could affect your health or the health of your fetus. Some health problems may make it more likely that you will have a high-risk pregnancy. A high-risk pregnancy is one in which you, your fetus, or both are at higher risk for health problems than in a typical pregnancy.
Read more about health problems in pregnancy on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.