A34 Obstetrical tetanus

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

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 639.0 Genital tract and pelvic infection following abortion or ectopic and molar pregnancies (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 A34

Back-references to A34

• Type 1 Excludes: A35 Other tetanus ("obstetrical tetanus (A34)")
• Type 2 Excludes: O86 Other puerperal infections ("obstetrical tetanus (A34)")
• Type 2 Excludes: O98 Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium ("obstetrical tetanus (A34)")

Back-references to A34

• Type 1 Excludes: A35 Other tetanus ("obstetrical tetanus (A34)")
• Type 2 Excludes: O86 Other puerperal infections ("obstetrical tetanus (A34)")
• Type 2 Excludes: O98 Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium ("obstetrical tetanus (A34)")

Diagnosis Index entries for A34

• Puerperal, puerperium (complicated by, complications) › tetanus
• Tetanus, tetanic (cephalic) (convulsions) › with › abortion
• Tetanus, tetanic (cephalic) (convulsions) › obstetrical
• Tetanus, tetanic (cephalic) (convulsions) › puerperal, postpartum, childbirth

Nearby codes

• A34 Obstetrical tetanus (this code)