O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium is O99.4 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
O94-O9A: Other obstetric conditions, not elsewhere classified (O94-O9A)
Category O99
124 codes (96 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with O99.4.
  • peripartum cardiomyopathy (O90.3)
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • hypertensive disorders (O10-O16)
  • obstetric embolism (O88.-)
  • venous complications and cerebrovenous sinus thrombosis in labor, childbirth and the puerperium (O87.-)
  • venous complications and cerebrovenous sinus thrombosis in pregnancy (O22.-)

Inclusion Terms

  • Conditions in I00-I99

References

Cite This Page

Reference O99.4 with the canonical source and edition:

O99.4 — Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/O99.4

Canonical URL: https://icd10codingpro.com/codes/O99.4

Related Codes

Parent Code

O99 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

More Specific Codes

O99.41 Diseases of the circulatory system complicating pregnancy O99.42 Diseases of the circulatory system complicating childbirth O99.43 Diseases of the circulatory system complicating the puerperium

Other Codes Under O99

O99.0 Anemia complicating pregnancy, childbirth and the puerperium O99.1 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium O99.2 Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium O99.3 Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium O99.5 Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium O99.6 Diseases of the digestive system complicating pregnancy, childbirth and the puerperium O99.7 Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium O99.8 Other specified diseases and conditions 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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