2019 ICD-10-CM Diagnosis Code A33

Tetanus neonatorum

    2016 2017 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years)
  • A33 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM A33 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of A33 - other international versions of ICD-10 A33 may differ.
ICD-10-CM Coding Rules
  • A33 is applicable to newborns of age 0 years.
The following code(s) above A33 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to A33:
  • A00-B99
    2019 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • 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 to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
ICD-10-CM A33 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 794 Neonate with other significant problems

Convert A33 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
Code annotations containing back-references to A33:
  • Type 1 Excludes: A35
    , P38
    ICD-10-CM Diagnosis Code A35

    Other tetanus

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Tetanus NOS
    Type 1 Excludes
    • obstetrical tetanus (A34)
    • tetanus neonatorum (A33)
    ICD-10-CM Diagnosis Code P38

    Omphalitis of newborn

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • omphalitis not of newborn (L08.82)
    • tetanus omphalitis (A33)
    • umbilical hemorrhage of newborn (P51.-)
  • Type 2 Excludes: P37
    ICD-10-CM Diagnosis Code P37

    Other congenital infectious and parasitic diseases

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • congenital syphilis (A50.-)
    • infectious neonatal diarrhea (A00-A09)
    • necrotizing enterocolitis in newborn (P77.-)
    • noninfectious neonatal diarrhea (P78.3)
    • ophthalmia neonatorum due to gonococcus (A54.31)
    • tetanus neonatorum (A33)

Diagnosis Index entries containing back-references to A33:
  • Omphalitis (congenital) (newborn) P38.9
    ICD-10-CM Diagnosis Code P38.9

    Omphalitis without hemorrhage

      2016 2017 2018 2019 Billable/Specific Code Code on Newborn Record
    Applicable To
    • Omphalitis of newborn NOS
    • tetanus A33
  • Tetanus, tetanic (cephalic) (convulsions) A35
    ICD-10-CM Diagnosis Code A35

    Other tetanus

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Tetanus NOS
    Type 1 Excludes
    • obstetrical tetanus (A34)
    • tetanus neonatorum (A33)
    • neonatorum A33
  • Trismus R25.2
    ICD-10-CM Diagnosis Code R25.2

    Cramp and spasm

      2016 2017 2018 2019 Billable/Specific Code
    Type 2 Excludes
    • neonatorum A33
    • newborn A33

ICD-10-CM Codes Adjacent To A33
A32.0 Cutaneous listeriosis
A32.1 Listerial meningitis and meningoencephalitis
A32.11 Listerial meningitis
A32.12 Listerial meningoencephalitis
A32.7 Listerial sepsis
A32.8 Other forms of listeriosis
A32.81 Oculoglandular listeriosis
A32.82 Listerial endocarditis
A32.89 Other forms of listeriosis
A32.9 Listeriosis, unspecified
A33 Tetanus neonatorum
A34 Obstetrical tetanus
A35 Other tetanus
A36 Diphtheria
A36.0 Pharyngeal diphtheria
A36.1 Nasopharyngeal diphtheria
A36.2 Laryngeal diphtheria
A36.3 Cutaneous diphtheria
A36.8 Other diphtheria
A36.81 Diphtheritic cardiomyopathy
A36.82 Diphtheritic radiculomyelitis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.