O08.83 Urinary tract infection following an ectopic and molar pregnancy

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Cystitis following an ectopic and molar pregnancy

Applies from O08 Complications following ectopic and molar pregnancy

Applicable to

• This category is for use with categories O00-O02 to identify any associated complications

MS-DRG index

Defines the logic of DRG(s) 769 in MDC 14.

Approximate ICD-9-CM (GEMs)

• 639.8 Other specified complications following abortion or ectopic and molar pregnancy (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Maternity diagnoses (age 9 through 64): Age conflict edit. These diagnoses are clinically expected only in patients age 9 through 64.

Code annotations containing back-references to O08.83

Back-references to O08.83

• Type 1 Excludes: O08.0 Genital tract and pelvic infection following ectopic and molar pregnancy ("urinary tract infection (O08.83)")

Back-references to O08.8

• Code First: I47 Paroxysmal tachycardia ("abortion or ectopic or molar pregnancy (O00-O07, O08.8)")
• Code First: I49 Other cardiac arrhythmias ("abortion or ectopic or molar pregnancy (O00-O07, O08.8)")
• Code First: I50 Heart failure ("heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)")
• Type 2 Excludes: K72 Hepatic failure, not elsewhere classified ("hepatic failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)")

Back-references to O08

• Use Additional: O00 Ectopic pregnancy ("code from category O08 to identify any associated complication")
• Use Additional: O01 Hydatidiform mole ("code from category O08 to identify any associated complication.")
• Use Additional: O02 Other abnormal products of conception ("code from category O08 to identify any associated complication.")
• Type 1 Excludes: O20 Hemorrhage in early pregnancy ("pregnancy with abortive outcome (O00-O08)")

Diagnosis Index entries for O08.83

• Complication (s) (from) (of) › following › ectopic or molar pregnancy › urinary tract infection
• Infection, infected, infective (opportunistic) › kidney (cortex) (hematogenous) › following ectopic gestation
• Pregnancy (single) (uterine) › ectopic (ruptured) › complicated (by) › infection › urinary tract
• Pregnancy (single) (uterine) › ectopic (ruptured) › complicated (by) › shock
• Pregnancy (single) (uterine) › ectopic (ruptured) › complicated (by) › urinary infection
• Pregnancy (single) (uterine) › molar NEC › complicated (by) › infection › kidney
• Pregnancy (single) (uterine) › molar NEC › complicated (by) › infection › urinary tract
• Pregnancy (single) (uterine) › molar NEC › complicated (by) › urinary infection

Nearby codes

• O08.6 Damage to pelvic organs and tissues following an ectopic and molar pregnancy
• O08.7 Other venous complications following an ectopic and molar pregnancy
• O08.8 Other complications following an ectopic and molar pregnancy
• O08.81 Cardiac arrest following an ectopic and molar pregnancy
• O08.82 Sepsis following ectopic and molar pregnancy
• O08.83 Urinary tract infection following an ectopic and molar pregnancy (this code)
• O08.89 Other complications following an ectopic and molar pregnancy
• O08.9 Unspecified complication following an ectopic and molar pregnancy