Specific code 2015 ICD-9-CM Diagnosis Code 464.00
Acute laryngitis without mention of obstruction
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 464.00 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 464.00 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 464.00 converts directly to:
  • 2015/16 ICD-10-CM J04.0 Acute laryngitis
Approximate Synonyms
  • Acute catarrhal laryngitis
  • Acute edematous laryngitis
  • Acute haemophilus influenzae laryngitis
  • Acute laryngitis
  • Acute laryngitis and/or tracheitis
  • Acute membranous laryngitis
  • Acute phlegmonous laryngitis
  • Acute pneumococcal laryngitis
  • Acute simple laryngitis
  • Acute subglottic laryngitis
  • Acute suppurative laryngitis
  • Acute ulcerative laryngitis
  • Edematous laryngitis
  • Haemophilus influenzae laryngitis
  • Infective laryngitis
  • Inflammation of larynx due to virus
  • Laryngitis
  • Laryngitis due to gastroesophageal reflux
  • Parainfluenza virus laryngitis
  • Pneumococcal laryngitis
  • Reflux laryngitis
  • Suppurative laryngitis
  • Ulcerative laryngitis
  • Viral laryngitis
ICD-9-CM Volume 2 Index entries containing back-references to 464.00:
  • Gangrene, gangrenous (anemia) (artery) (cellulitis) (dermatitis) (dry) (infective) (moist) (pemphigus) (septic) (skin) (stasis) (ulcer) 785.4
    • laryngitis 464.00
  • Inflammation, inflamed, inflammatory (with exudation)
    • glottis (see also Laryngitis) 464.00
    • larynx (see also Laryngitis) 464.00
  • Laryngitis (acute) (edematous) (fibrinous) (gangrenous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) (viral) 464.00
    • borrelia vincentii 101
    • chronic 476.0
      • with tracheitis (chronic) 476.1
      • due to external agent - see Condition, respiratory, chronic, due to
    • diphtheritic (membranous) 032.3
    • due to external agent - see Inflammation, respiratory, upper, due to
    • H. influenzae 464.00
    • Hemophilus influenzae 464.00
    • influenzal (see also Influenza) 487.1
    • tuberculous (see also Tuberculosis, larynx) 012.3
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9
    • laryngitis (see also Laryngitis) 464.00
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 464.00 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.