O10.4 Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium is O10.4 (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
Use Additional Code
  • code from I15 to identify the type of secondary hypertension

Inclusion Terms

  • Any condition in I15 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium

References

Cite This Page

Reference O10.4 with the canonical source and edition:

O10.4 — Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/O10.4

Canonical URL: https://icd10codingpro.com/codes/O10.4

Related Codes

Parent Code

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

More Specific Codes

O10.41 Pre-existing secondary hypertension complicating pregnancy O10.42 Pre-existing secondary hypertension complicating childbirth O10.43 Pre-existing secondary hypertension complicating the puerperium

Other Codes Under O10

O10.0 Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium O10.1 Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium O10.2 Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium O10.3 Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, childbirth and the puerperium O10.9 Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium
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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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