A33

Billable
ChapterA00–B99
Rankcategory
Official Description

Tetanus neonatorum

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)
A30-A49Other bacterial diseases (A30-A49)
A33Tetanus neonatorum

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A33:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to A33. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths
Omphalitis (congenital) (newborn)1 unique routes
tetanus→A33
Tetanus, tetanic (cephalic) (convulsions)1 unique routes
neonatorum→A33
Trismus2 unique routes
neonatorum→A33
newborn→A33

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 794
Neonate with Other Significant Problems

Cross Reference

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