Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester
Short description: Oth dis of bld/bld-form org/immun mechnsm comp preg,unsp tri
- Chapter
- 15. Pregnancy, childbirth and the puerperium
- Category
- O99
- Effective date
- October 1, 2026
Related codes in category O99
Frequently asked questions
What is ICD-10 code O99.119?
O99.119 is an ICD-10-CM diagnosis code for Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester.
Is O99.119 a billable code?
Yes. O99.119 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is O99.119 in?
O99.119 falls under Chapter 15: Pregnancy, childbirth and the puerperium.
When did O99.119 become effective?
O99.119 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to O99.119?
O99.119 belongs to category O99, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.