Z33.1

Z33.1: Pregnant state, incidental

Billable / specific codeICD-10-CM

Z33.1 is a billable, specific ICD-10-CM code for pregnant state, incidental. It is valid for submission on a claim.

Check Z33.1 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

complications of pregnancy (O00-O9A)
pregnant state, gestational carrier (Z33.3)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Pregnancy NOS
Pregnant state NOS

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Z33.1 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55326Billing and Coding: Zika Virus Testing by PCR and ELISA Methods
A57554Billing and Coding: Immune Globulins
A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

Alphabetic index entries that lead here

Pregnancy(single) (uterine)
Carrier of›gestational, pregnant
Pregnancy›incidental finding
Status›pregnancy, incidental
State›pregnant›incidental

Code history

Unchanged in every release from FY2024 to FY2027.