O23.13
O23.13 — Infections of bladder in pregnancy, third trimester
Billable / specific codeICD-10-CM
O23.13 is a billable, specific ICD-10-CM code for infections of bladder in pregnancy, third trimester. It is valid for submission on a claim.
Excludes2 inherited from the categories above O23.13
Also inherited, and the opposite of Excludes1: these conditions are not part of O23.13, but a patient can have both, so you may code both.
Written on O23 — Infections of genitourinary tract in pregnancy
- gonococcal infections complicating pregnancy, childbirth and the puerperium (O98.2)
- infections with a predominantly sexual mode of transmission NOS complicating pregnancy, childbirth and the puerperium (O98.3)
- syphilis complicating pregnancy, childbirth and the puerperium (O98.1)
- tuberculosis of genitourinary system complicating pregnancy, childbirth and the puerperium (O98.0)
- venereal disease NOS complicating pregnancy, childbirth and the puerperium (O98.3)
Risk adjustment
O23.13 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code history
O23.13 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share O23.1. If O23.13 is not quite right, the correct code is usually one of these.
Questions about O23.13
- Is O23.13 a billable ICD-10-CM code?
- Yes. O23.13 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does O23.13 sit in the tabular list?
- Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other maternal disorders predominantly related to pregnancy (O20-O29).