2023

  1. ICD-10-CM Codes
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  2. A00-B99
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  3. A30-A49
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  4. A36-
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  5. 2023 ICD-10-CM Diagnosis Code A36.0

2023 ICD-10-CM Diagnosis Code A36.0

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Pharyngeal diphtheria

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • A36.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM A36.0 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of A36.0 - other international versions of ICD-10 A36.0 may differ.
Applicable To
  • Diphtheritic membranous angina
  • Tonsillar diphtheria
The following code(s) above A36.0 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 A36.0:
  • A00-B99
    2023 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 A36.0 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
  • 154 Other ear, nose, mouth and throat diagnoses with mcc
  • 155 Other ear, nose, mouth and throat diagnoses with cc
  • 156 Other ear, nose, mouth and throat diagnoses without cc/mcc

Convert A36.0 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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to A36.0:
  • Type 1 Excludes: J03.8
    ICD-10-CM Diagnosis Code J03.8

    Acute tonsillitis due to other specified organisms

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • diphtheritic tonsillitis (A36.0)
    • herpesviral pharyngotonsillitis (B00.2)
    • streptococcal tonsillitis (J03.0)
    • tuberculous tonsillitis (A15.8)
    • Vincent's tonsillitis (A69.1)
    Use Additional
    • code (B95-B97) to identify infectious agent.

Diagnosis Index entries containing back-references to A36.0:
  • Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) I20.9
    ICD-10-CM Diagnosis Code I20.9

    Angina pectoris, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Angina NOS
    • Anginal syndrome
    • Cardiac angina
    • Ischemic chest pain
    • membranous J05.0
      ICD-10-CM Diagnosis Code J05.0

      Acute obstructive laryngitis [croup]

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Obstructive laryngitis (acute) NOS
      • Obstructive laryngotracheitis NOS
      • diphtheritic A36.0
    • phlegmonous J36
      ICD-10-CM Diagnosis Code J36

      Peritonsillar abscess

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Includes
      • abscess of tonsil
      • peritonsillar cellulitis
      • quinsy
      Type 1 Excludes
      • acute tonsillitis (J03.-)
      • chronic tonsillitis (J35.0)
      • retropharyngeal abscess (J39.0)
      • tonsillitis NOS (J03.9-)
      Use Additional
      • code (B95-B97) to identify infectious agent.
      • diphtheritic A36.0
    • diphtheritic, membranous A36.0
    • gangrenous diphtheritic A36.0
    • malignant diphtheritic A36.0
    • pultaceous, diphtheritic A36.0
  • Bretonneau's disease or angina A36.0
  • Diphtheria, diphtheritic (gangrenous) (hemorrhagic) A36.9
    ICD-10-CM Diagnosis Code A36.9

    Diphtheria, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • faucial A36.0
    • pharyngeal A36.0
    • tonsillar A36.0
  • Disease, diseased - see also Syndrome
    • Bretonneau's A36.0 (diphtheritic malignant angina)
  • Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) I96
    - see also Necrosis
    ICD-10-CM Diagnosis Code I96

    Gangrene, not elsewhere classified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Gangrenous cellulitis
    Type 1 Excludes
    Type 2 Excludes
    • gangrene in diabetes mellitus (E08-E13 with .52)
  • Paralysis, paralytic (complete) (incomplete) G83.9
    ICD-10-CM Diagnosis Code G83.9

    Paralytic syndrome, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • throat J39.2
      ICD-10-CM Diagnosis Code J39.2

      Other diseases of pharynx

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Cyst of pharynx
      • Edema of pharynx
      Type 2 Excludes
      • chronic pharyngitis (J31.2)
      • ulcerative pharyngitis (J02.9)
      • diphtheritic A36.0
    • uvula K13.79
      ICD-10-CM Diagnosis Code K13.79

      Other lesions of oral mucosa

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Focal oral mucinosis
      • postdiphtheritic A36.0
  • Pharyngitis (acute) (catarrhal)(gangrenous) (infective) (malignant) (membranous) (phlegmonous) (pseudomembranous) (simple) (subacute) (suppurative) (ulcerative) (viral) J02.9
    ICD-10-CM Diagnosis Code J02.9

    Acute pharyngitis, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Gangrenous pharyngitis (acute)
    • Infective pharyngitis (acute) NOS
    • Pharyngitis (acute) NOS
    • Sore throat (acute) NOS
    • Suppurative pharyngitis (acute)
    • Ulcerative pharyngitis (acute)
    Type 1 Excludes
    • diphtheritic A36.0
  • Sore
  • Tonsillitis (acute) (catarrhal) (croupous) (follicular) (gangrenous) (infective) (lacunar) (lingual) (malignant) (membranous) (parenchymatous) (phlegmonous) (pseudomembranous) (purulent) (septic) (subacute) (suppurative) (toxic) (ulcerative) (vesicular) (viral) J03.90
    ICD-10-CM Diagnosis Code J03.90

    Acute tonsillitis, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • diphtheritic A36.0
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative
    • throat J39.2
      ICD-10-CM Diagnosis Code J39.2

      Other diseases of pharynx

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Cyst of pharynx
      • Edema of pharynx
      Type 2 Excludes
      • chronic pharyngitis (J31.2)
      • ulcerative pharyngitis (J02.9)
      • diphtheritic A36.0
    • tonsil J35.8
      ICD-10-CM Diagnosis Code J35.8

      Other chronic diseases of tonsils and adenoids

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
      Applicable To
      • Adenoid vegetations
      • Amygdalolith
      • Calculus, tonsil
      • Cicatrix of tonsil (and adenoid)
      • Tonsillar tag
      • Ulcer of tonsil
      • diphtheritic A36.0

ICD-10-CM Codes Adjacent To A36.0
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
A36.83 Diphtheritic polyneuritis
A36.84 Diphtheritic tubulo-interstitial nephropathy
A36.85 Diphtheritic cystitis
A36.86 Diphtheritic conjunctivitis

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

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