ICD10BillableValid for clinical use
ICD-10 Code A33: Tetanus neonatorum
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).
When is it used?
- May be used when a clinician documents tetanus neonatorum in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
1Certain infectious and parasitic diseases (A00-B99)
block
A30-A49Other bacterial diseases
currentA30-A49
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Infectious Disease SpecialistGeneral Physician
Related codes
A30Leprosy [Hansen's disease]categoryA31Infection due to other mycobacteriacategoryA32ListeriosiscategoryA34Obstetrical tetanuscodeA35Other tetanuscodeA36DiphtheriacategoryA37Whooping coughcategoryA38Scarlet fevercategoryA39Meningococcal infectioncategoryA40Streptococcal sepsiscategoryA41Other sepsiscategoryA42Actinomycosiscategory
Sibling codes
A30Leprosy [Hansen's disease]A31Infection due to other mycobacteriaA32ListeriosisA34Obstetrical tetanusbillableA35Other tetanusbillableA36DiphtheriaA37Whooping coughA38Scarlet feverA39Meningococcal infectionA40Streptococcal sepsisA41Other sepsisA42ActinomycosisA43NocardiosisA44BartonellosisA46ErysipelasbillableA48Other bacterial diseases, not elsewhere classifiedA49Bacterial infection of unspecified site
Coverage-related procedures and services
HCPCS G0255high
CURRENT PERCEPTION THRESHOLD/SENSORY NERVE CONDUCTION TEST, (SNCT) PER LIMB, ANY NERVE
Source: CMS coverage guidance
CPT 95905high
MOTOR AND/OR SENSORY NERVE CONDUCTION, USING PRECONFIGURED ELECTRODE ARRAY(S), AMPLITUDE AND LATENCY/VELOCITY STUDY, EACH LIMB, INCLUDES F-WAVE STUDY WHEN PERFORMED, WITH INTERPRETATION AND REPORT
Source: CMS coverage guidance
CPT 95907high
NERVE CONDUCTION STUDIES; 1-2 STUDIES
Source: CMS coverage guidance
CPT 95912high
NERVE CONDUCTION STUDIES; 11-12 STUDIES
Source: CMS coverage guidance
CPT 95913high
NERVE CONDUCTION STUDIES; 13 OR MORE STUDIES
Source: CMS coverage guidance
CPT 95908high
NERVE CONDUCTION STUDIES; 3-4 STUDIES
Source: CMS coverage guidance
Mapped diagnoses and classifications
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
A33
Common synonyms
Tetanus neonatorum
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.