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    OpenPayerBilling CodesOther bacterial diseasesICD-10-CM a34-obstetrical-tetanus
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    ICD-10-CM Code For Obstetrical Tetanus: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group A34 includes maternal tetanus occurring in association with pregnancy, childbirth, and the puerperium, covering infections that result from Clostridium tetani toxin exposure in the obstetrical setting. These ICD-10-CM diagnosis codes are used to document maternal infectious complications that may involve severe neuromuscular symptoms, systemic toxicity, or obstetrical-specific timing and setting. Accurate coding within the ICD-10-CM A34 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM A34: Obstetrical Tetanus Overview

    The ICD-10-CM A34 code group represents maternal infection with tetanus associated with pregnancy, childbirth, or the puerperium, primarily affecting the nervous system through toxin-mediated muscle rigidity and spasms. These diagnoses target obstetrical infection complicating the peripartum period and can have severe systemic and neonatal implications. Accurate coding is important for complete clinical documentation and appropriate reimbursement for care related to maternal infectious complications.

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    When to Use

    Use a code from this group when a pregnant or postpartum patient is diagnosed with tetanus related to obstetrical events or care. Apply these codes to document the timing and obstetrical association of tetanus for clinical records and billing.

    ICD-10-CM Codes

    1 rows

    ICD-10-CM CodeDescription
    A34Obstetrical tetanus

    DRG Codes

    2 rows

    DRG CodeDescription
    769Postpartum and Post Abortion Diagnoses with O.R. Procedures
    776Postpartum and Post Abortion Diagnoses without O.R. Procedures

    Typical Clinical Scenarios

    • A pregnant woman in her third trimester presents to the emergency department with trismus, generalized muscle rigidity, and recent onset of painful uterine contractions after a home birth with unsterile delivery conditions. She has signs of systemic tetanus infection and requires urgent obstetric and infectious disease assessment; the diagnosis is assigned because the tetanic infection is temporally and causally related to the pregnancy/delivery. Typical codes: A34
    • A postpartum patient develops progressive jaw stiffness, neck pain, and difficulty breastfeeding several days after a traditional birth attendant performed umbilical cord care with nonsterile instruments. She seeks outpatient evaluation for worsening muscle spasms and localized wound infection at the placental site; the diagnosis is assigned when tetanus is identified as the infectious complication of the recent childbirth. Typical codes: A34
    • A woman admitted to labor and delivery for antepartum hemorrhage is found to have signs of systemic infection including fever and intermittent muscle spasms; her medical record documents a recent stillbirth delivered under nonsterile conditions in a rural clinic. Because the tetanus infection is related to the obstetric event and complicates her current hospitalization, the obstetrical tetanus diagnosis is assigned to capture the related infectious complication. Typical codes: A34

    Related Codes

    A30-LEPROSY-HANSEN-S-DISEASE

    ICD-10-CM Code For Leprosy Hansen's Disease: Group Overview

    A31-INFECTION-DUE-TO-OTHER-MYCOBACTERIA

    ICD-10-CM Code For Infection Due To Other Mycobacteria: Group Overview

    A32-LISTERIOSIS

    ICD-10-CM Code For Listeriosis: Group Overview

    A33-TETANUS-NEONATORUM

    ICD-10-CM Code For Tetanus Neonatorum: Group Overview

    A35-OTHER-TETANUS

    ICD-10-CM Code For Other Tetanus: Group Overview

    A36-DIPHTHERIA

    ICD-10-CM Code For Diphtheria: Group Overview

    A37-WHOOPING-COUGH

    ICD-10-CM Code For Whooping Cough: Group Overview

    A38-SCARLET-FEVER

    ICD-10-CM Code For Scarlet Fever: Group Overview

    A39-MENINGOCOCCAL-INFECTION

    ICD-10-CM Code For Meningococcal Infection: Group Overview

    A41-OTHER-SEPSIS

    ICD-10-CM Code For Other Sepsis: Group Overview

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    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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