O99.119 ✓ Billable

Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester

Q: What is ICD-10 code O99.119?

ICD-10-CM code O99.119 stands for "Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester". It is a billable code in the Pregnancy, Childbirth and the Puerperium chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

Q: Is O99.119 a billable ICD-10 code?

Yes. O99.119 (Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester) is billable and can be used for insurance claims. Always verify payer-specific requirements.

ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium

Code

O99.119

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Pregnancy, Childbirth and the Puerperium

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code O99.119?

ICD-10-CM code O99.119 represents Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester. It is a billable diagnosis code in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.

Is O99.119 billable?

Yes. O99.119 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is O99.119 in?

O99.119 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.

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