1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. A30-A49 Other bacterial diseases
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4. A36- Diphtheria
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5. 2020 ICD-10-CM Diagnosis Code A36.0

2020 ICD-10-CM Diagnosis Code A36.0

Pharyngeal diphtheria

2016 2017 2018 2019 2020 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 2020 edition of ICD-10-CM A36.0 became effective on October 1, 2019.
• This is the American ICD-10-CM version of A36.0 - other international versions of ICD-10 A36.0 may differ.

• 011 Tracheostomy for face, mouth & neck diagnoses or laryngectomy with mcc
• 012 Tracheostomy for face, mouth & neck diagnoses or laryngectomy with cc
• 013 Tracheostomy for face, mouth & 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

• 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

• Type 1 Excludes: J03.8
  ICD-10-CM Diagnosis Code J03.8

  Acute tonsillitis due to other specified organisms

  2016 2017 2018 2019 2020 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.

• 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 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 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 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 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 Billable/Specific Code

  Applicable To

  • Gangrenous cellulitis

  Type 1 Excludes

  • gangrene in atherosclerosis of native arteries of the extremities (I70.26)
  • gangrene in hernia (K40.1, K40.4, K41.1, K41.4, K42.1, K43.1-, K44.1, K45.1, K46.1)
  • gangrene in other peripheral vascular diseases (I73.-)
  • gangrene of certain specified sites - see Alphabetical Index
  • gas gangrene (A48.0)
  • pyoderma gangrenosum (L88)

  Type 2 Excludes

  • gangrene in diabetes mellitus (E08-E13 with .52)
  • throat - see also Pharyngitis
    • diphtheritic A36.0
• Paralysis, paralytic (complete) (incomplete) G83.9
  ICD-10-CM Diagnosis Code G83.9

  Paralytic syndrome, unspecified

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

    Other diseases of pharynx

    2016 2017 2018 2019 2020 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 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 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)
  • diphtheritic A36.0
• Sore
  • throat (acute) - see also Pharyngitis
    • diphtheritic A36.0
• 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 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 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 Billable/Specific Code

    Applicable To

    • Adenoid vegetations
    • Amygdalolith
    • Calculus, tonsil
    • Cicatrix of tonsil (and adenoid)
    • Tonsillar tag
    • Ulcer of tonsil
    • diphtheritic A36.0

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