ICDcodes.org
FY2027

O23.9 — Unspecified genitourinary tract infection in pregnancy

Not billable

Is O23.9 billable?

No — O23.9 is a non-billable header code. O23.9 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 4 billable codes beneath O23.9.

O23.9 at a glance

CodeO23.9
DescriptionUnspecified genitourinary tract infection in pregnancy
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is O23.9 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to O23.9. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Pregnancy › complicated by › genital tract infection (single) (uterine)
  • Pregnancy › complicated by › abscess or cellulitis › genital organ or tract (single) (uterine)
  • Pregnancy › complicated by › infection › genital organ or tract (single) (uterine)
  • Pregnancy › complicated by › infection › genitourinary tract (single) (uterine)

Inclusion terms

Alternative wording in documentation that is classified to O23.9.

  • Genitourinary tract infection in pregnancy NOS

Excludes1 — never code together — inherited from Chapter 15

The conditions below can never be reported together with O23.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • supervision of normal pregnancy (Z34.-)

Use additional code — inherited from Chapter 15

Report an additional code alongside O23.9 to fully describe the condition. O23.9 is sequenced first.

  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Use additional code — inherited from O23

Report an additional code alongside O23.9 to fully describe the condition. O23.9 is sequenced first.

Excludes2 — not included here — inherited from Chapter 15

The conditions below are not part of O23.9, but a patient may have both at the same time. When documentation supports it, O23.9 and the excluded code may both be reported.

  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)

Excludes2 — not included here — inherited from O20-O29

The conditions below are not part of O23.9, but a patient may have both at the same time. When documentation supports it, O23.9 and the excluded code may both be reported.

  • 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)

Excludes2 — not included here — inherited from O23

The conditions below are not part of O23.9, but a patient may have both at the same time. When documentation supports it, O23.9 and the excluded code may both be reported.

  • 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)

What codes fall under O23.9? (4)

How long has O23.9 existed?

O23.9 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to O23.9?

What other codes are in the O23 family? (6)