O10.919
✓ Billable
Unspecified pre-existing hypertension complicating pregnancy, unspecified trimester
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O10.919
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 O10.919?
ICD-10-CM code O10.919 represents Unspecified pre-existing hypertension 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 O10.919 billable?
Yes. O10.919 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is O10.919 in?
O10.919 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O10 category
O10
Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
Non-billable
O10.0
Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium
Non-billable
O10.1
Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium
Non-billable
O10.2
Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium
Non-billable
O10.3
Pre-existing hypertensive heart and chronic kidney disease complicating pregnancy, childbirth and the puerperium
Non-billable
O10.4
Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium
Non-billable
O10.9
Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium
Non-billable
O10.01
Pre-existing essential hypertension complicating pregnancy
Non-billable
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