2021 ICD-10-CM Diagnosis Code A37.90

Whooping cough, unspecified species without pneumonia

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • A37.90 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM A37.90 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of A37.90 - other international versions of ICD-10 A37.90 may differ.
The following code(s) above A37.90 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 A37.90:
  • A00-B99
    2021 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
Approximate Synonyms
  • Pertussis
ICD-10-CM A37.90 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 202 Bronchitis and asthma with cc/mcc
  • 203 Bronchitis and asthma without cc/mcc

Convert A37.90 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
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to A37.90:
  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) G03.9
    ICD-10-CM Diagnosis Code G03.9

    Meningitis, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Arachnoiditis (spinal) NOS
    • in (due to)
      • whooping cough A37.90
  • Pertussis A37.90 - see also Whooping cough
  • Whooping cough A37.90

ICD-10-CM Codes Adjacent To A37.90
A37.0 Whooping cough due to Bordetella pertussis
A37.00 …… without pneumonia
A37.01 …… with pneumonia
A37.1 Whooping cough due to Bordetella parapertussis
A37.10 …… without pneumonia
A37.11 …… with pneumonia
A37.8 Whooping cough due to other Bordetella species
A37.80 …… without pneumonia
A37.81 …… with pneumonia
A37.9 Whooping cough, unspecified species
A37.90 …… without pneumonia
A37.91 …… with pneumonia
A38 Scarlet fever
A38.0 Scarlet fever with otitis media
A38.1 Scarlet fever with myocarditis
A38.8 Scarlet fever with other complications
A38.9 Scarlet fever, uncomplicated
A39 Meningococcal infection
A39.0 Meningococcal meningitis
A39.1 Waterhouse-Friderichsen syndrome
A39.2 Acute meningococcemia

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