O10.21 Pre-existing hypertensive chronic kidney disease complicating pregnancy

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Pre-existing hypertensive chronic kidney disease complicating pregnancy is O10.21 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
O10-O16: Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
Category O10
49 codes (36 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O10.21:

  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) › complicating › pregnancy › pre-existing › with › renal disease

References

Related Codes

Parent Code

O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium

More Specific Codes

O10.211 Pre-existing hypertensive chronic kidney disease complicating pregnancy, first trimester O10.212 Pre-existing hypertensive chronic kidney disease complicating pregnancy, second trimester O10.213 Pre-existing hypertensive chronic kidney disease complicating pregnancy, third trimester O10.219 Pre-existing hypertensive chronic kidney disease complicating pregnancy, unspecified trimester

Related Codes in O10

O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium O10.0 Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium O10.01 Pre-existing essential hypertension complicating pregnancy O10.011 Pre-existing essential hypertension complicating pregnancy, first trimester O10.012 Pre-existing essential hypertension complicating pregnancy, second trimester O10.013 Pre-existing essential hypertension complicating pregnancy, third trimester O10.019 Pre-existing essential hypertension complicating pregnancy, unspecified trimester O10.02 Pre-existing essential hypertension complicating childbirth O10.03 Pre-existing essential hypertension complicating the puerperium O10.1 Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium O10.11 Pre-existing hypertensive heart disease complicating pregnancy O10.111 Pre-existing hypertensive heart disease complicating pregnancy, first trimester O10.112 Pre-existing hypertensive heart disease complicating pregnancy, second trimester O10.113 Pre-existing hypertensive heart disease complicating pregnancy, third trimester O10.119 Pre-existing hypertensive heart disease complicating pregnancy, unspecified trimester O10.12 Pre-existing hypertensive heart disease complicating childbirth O10.13 Pre-existing hypertensive heart disease complicating the puerperium O10.2 Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium O10.211 Pre-existing hypertensive chronic kidney disease complicating pregnancy, first trimester O10.212 Pre-existing hypertensive chronic kidney disease complicating pregnancy, second 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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