O99.11 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy is O99.11 (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

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O99.11:

  • Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › immune disorders NEC (conditions in D80-D89)
  • Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › diseases of › blood NEC (conditions in D65-D77)

References

Related Codes

Parent Code

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

More Specific Codes

O99.111 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, first trimester O99.112 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, second trimester O99.113 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, third trimester O99.119 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester

Related Codes in O99

O99 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium O99.0 Anemia complicating pregnancy, childbirth and the puerperium O99.01 Anemia complicating pregnancy O99.011 Anemia complicating pregnancy, first trimester O99.012 Anemia complicating pregnancy, second trimester O99.013 Anemia complicating pregnancy, third trimester O99.019 Anemia complicating pregnancy, unspecified trimester O99.02 Anemia complicating childbirth O99.03 Anemia complicating 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 O99.111 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, first trimester O99.112 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, second trimester O99.113 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, third trimester O99.119 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester O99.12 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirth O99.13 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium O99.2 Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium O99.21 Obesity complicating pregnancy, childbirth, and the puerperium O99.210 Obesity complicating pregnancy, unspecified trimester O99.211 Obesity complicating pregnancy, first 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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