All ICD10 Codes

O23

Non-Billable
ChapterO00–O9A
Rankcategory
Official Description

Infections of genitourinary tract in pregnancy

Use a more specific code (0 billable, 7 non-billable)
O23.0Infections of kidney in pregnancyhas subcodesO23.1Infections of bladder in pregnancyhas subcodesO23.2Infections of urethra in pregnancyhas subcodesO23.3Infections of other parts of urinary tract in pregnancyhas subcodesO23.4Unspecified infection of urinary tract in pregnancyhas subcodesO23.5Infections of the genital tract in pregnancyhas subcodesO23.9Unspecified genitourinary tract infection in pregnancyhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).

CH15 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • supervision of normal pregnancy (Z34.-)
Excludes2(Not included here. Code separately if applicable.)
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
Use Additional Code
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

O20-O29 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
  • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • 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)
Use Additional Code
  • code to identify organism (B95.-, B96.-)

Clinical Hierarchy

BillableHas subcodes
CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O20-O29Other maternal disorders predominantly related to pregnancy (O20-O29)
O23Infections of genitourinary tract in pregnancyNot billable
O23.0Infections of kidney in pregnancySubcodes
O23.1Infections of bladder in pregnancySubcodes
O23.2Infections of urethra in pregnancySubcodes
O23.3Infections of other parts of urinary tract in pregnancySubcodes
O23.4Unspecified infection of urinary tract in pregnancySubcodes
O23.5Infections of the genital tract in pregnancySubcodes
O23.9Unspecified genitourinary tract infection in pregnancySubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O23:

blockO20-O29
Other maternal disorders predominantly related to pregnancy (O20-O29)
View context instructions
chapterCH15
Pregnancy, childbirth and the puerperium (O00-O9A)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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