O11.3
O11.3: Pre-existing hypertension with pre-eclampsia, third trimester
Billable / specific codeICD-10-CM
O11.3 is a billable, specific ICD-10-CM code for pre-existing hypertension with pre-eclampsia, third trimester. It is valid for submission on a claim.
Check O11.3 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
O11.3 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A57189Billing and Coding: Serum Magnesium
- A57326Billing and Coding: Electrocardiograms
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under O11
- O11.1Pre-existing hypertension with pre-eclampsia, first trimester
- O11.2Pre-existing hypertension with pre-eclampsia, second trimester
- O11.4Pre-existing hypertension with pre-eclampsia, complicating childbirth
- O11.5Pre-existing hypertension with pre-eclampsia, complicating the puerperium
- O11.9Pre-existing hypertension with pre-eclampsia, unspecified trimester