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O14.03 ICD-10-CM Code: Mild to moderate pre-eclampsia, third trimester

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FY 2026 Apr update / Pregnancy, childbirth and the puerperium (O00-O9A) / Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)

O14.03

Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidance

Mild to moderate pre-eclampsia, third trimester

A pregnancy complication characterized by high blood pressure and protein in the urine with mild to moderate severity, occurring in the third trimester (weeks 28 to delivery).

CMS-HCC V28

0

0

RAF 0

CMS-HCC V24

0

0

RAF 0

ACA/HHS

0

0

RAF 0

ESRD/PACE

0

0

RAF 0

RXHCC

0

0

RAF 0

Code Trumping

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Code Book Path

Official
O14Pre-eclampsia
O14.0Mild to moderate pre-eclampsia
O14.03Mild to moderate pre-eclampsia, third trimester

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for O14.03 in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for O14.03 in this effective period.

Related Child Codes

Official
O14.00Mild to moderate pre-eclampsia, unspecified trimester
O14.02Mild to moderate pre-eclampsia, second trimester
O14.04Mild to moderate pre-eclampsia, complicating childbirth
O14.05Mild to moderate pre-eclampsia, complicating the puerperium

Includes

Official

ICD-10-CM does not list Includes notes for O14.03 in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for O14.03 in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for O14.03 in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for O14.03 in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for O14.03 in this effective period.

Buddy Documentation Tip

HCC Buddy guidance
This is the most common presentation of preeclampsia; verify severity criteria are met for mild to moderate classification
Document baseline blood pressure and proteinuria levels for comparison

Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.

Is O14.03 an HCC code?

No. O14.03 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

O14.03 is the ICD-10-CM diagnosis code for mild to moderate pre-eclampsia, third trimester. A pregnancy complication characterized by high blood pressure and protein in the urine with mild to moderate severity, occurring in the third trimester (weeks 28 to delivery). O14.03 sits in the ICD-10-CM chapter for pregnancy, childbirth and the puerperium (o00-o9a), within the section covering edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (o10-o16).

O14.03 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.

This is the most common presentation of preeclampsia; verify severity criteria are met for mild to moderate classification.

HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for O14.03 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Coding Tips

  • This is the most common presentation of preeclampsia; verify severity criteria are met for mild to moderate classification
  • Document baseline blood pressure and proteinuria levels for comparison

Child Codes

Code Hierarchy

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