Pre-eclampsia
In Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16), chapter 15: Pregnancy, Childbirth and the Puerperium
20 billable codes under O14: 4 are an MCC, 4 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
- pre-existing hypertension with pre-eclampsia (O11)
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 O14
O14 can't be used on a claim. Pick a billable code below; grey headings group them.
- O14.0Mild to moderate pre-eclampsia
- O14.00Mild to moderate pre-eclampsia, unspecified trimester
- O14.02Mild to moderate pre-eclampsia, second trimester
- O14.03Mild to moderate pre-eclampsia, third trimester
- O14.04Mild to moderate pre-eclampsia, complicating childbirth
- O14.05Mild to moderate pre-eclampsia, complicating the puerperium
- O14.1Severe pre-eclampsia
- O14.10Severe pre-eclampsia, unspecified trimester
- O14.12Severe pre-eclampsia, second trimester
- O14.13Severe pre-eclampsia, third trimester
- O14.14Severe pre-eclampsia complicating childbirth
- O14.15Severe pre-eclampsia, complicating the puerperium
- O14.2HELLP syndrome
- O14.20HELLP syndrome (HELLP), unspecified trimester
- O14.22HELLP syndrome (HELLP), second trimester
- O14.23HELLP syndrome (HELLP), third trimester
- O14.24HELLP syndrome, complicating childbirth
- O14.25HELLP syndrome, complicating the puerperium
- O14.9Unspecified pre-eclampsia
- O14.90Unspecified pre-eclampsia, unspecified trimester
- O14.92Unspecified pre-eclampsia, second trimester
- O14.93Unspecified pre-eclampsia, third trimester
- O14.94Unspecified pre-eclampsia, complicating childbirth
- O14.95Unspecified pre-eclampsia, complicating the puerperium
O14 MS-DRGs
As the principal diagnosis, the billable codes under O14 group to these 8 MS-DRGs (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 (12 of 20 codes)
- DRG 818 Other Antepartum Diagnoses with O.R. Procedures with CC (12 of 20 codes)
- DRG 819 Other Antepartum Diagnoses with O.R. Procedures without CC/MCC (12 of 20 codes)
- DRG 831 Other Antepartum Diagnoses without O.R. Procedures with MCC (12 of 20 codes)
- DRG 832 Other Antepartum Diagnoses without O.R. Procedures with CC (12 of 20 codes)
- DRG 833 Other Antepartum Diagnoses without O.R. Procedures without CC/MCC (12 of 20 codes)
- DRG 769 Postpartum and Post Abortion Diagnoses with O.R. Procedures (4 of 20 codes)
- DRG 776 Postpartum and Post Abortion Diagnoses without O.R. Procedures (4 of 20 codes)
Other codes that refer to O14
Notes on these codes point to O14.
- O15 Includes: convulsions following conditions in O10-O14 and O16
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
High Blood Pressure in Pregnancy
Blood pressure is the force of your blood pushing against the walls of your arteries. Your arteries are blood vessels that carry blood from your heart to other parts of your body. High blood pressure, or hypertension, is blood pressure that is higher than normal. Having high blood pressure can put you at risk for other health problems, such as heart disease, heart attack, and stroke.
Read more about high blood pressure in pregnancy on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.