O14.90 ICD-10-CM Code: Unspecified pre-eclampsia, unspecified 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)
O14.90
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceUnspecified pre-eclampsia, unspecified trimester
Pre-eclampsia is a pregnancy condition characterized by high blood pressure and protein in the urine, but the specific trimester is not documented.
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
MappedHCC 211
Varies by metal level
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for O14.90 in this effective period.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for O14.90 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for O14.90 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for O14.90 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for O14.90 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for O14.90 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for O14.90 in this effective period.
Buddy Documentation Tip
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
Is O14.90 an HCC code?
No. O14.90 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
- Code
- O14.90
- Description
- Unspecified pre-eclampsia, unspecified trimester
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF
- —
- Billable
- Yes
- Payment year
- 2026
Coder workflow notes
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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
O14.90 is the ICD-10-CM diagnosis code for unspecified pre-eclampsia, unspecified trimester. Pre-eclampsia is a pregnancy condition characterized by high blood pressure and protein in the urine, but the specific trimester is not documented. O14.90 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).
O14.90 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.
Use this code only when the trimester is truly unknown or unspecified; attempt to clarify trimester from clinical documentation.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for O14.90 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.