Home > 2010 ICD-9-CM Diagnosis Codes > Diseases Of The Respiratory System 460-519 > Acute Respiratory Infections 460-466 > Acute laryngitis and tracheitis 464-
Specific code 2010 ICD-9-CM Diagnosis Code 464.20
Acute laryngotracheitis without obstruction
  • Short description: Ac laryngotrach no obstr.
  • ICD-9-CM 464.20 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 464.20 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).
  • You are viewing the 2010 version of ICD-9-CM 464.20.
  • More recent version(s) of ICD-9-CM 464.20: 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 464.20 converts directly to:
  • 2015/16 ICD-10-CM J04.2 Acute laryngotracheitis
Approximate Synonyms
  • Acute laryngotracheitis
  • Laryngotracheitis
ICD-9-CM Volume 2 Index entries containing back-references to 464.20:
  • Laryngitis (acute) (edematous) (fibrinous) (gangrenous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) (viral) 464.00
    • with
      • influenza, flu, or grippe 487.1
      • obstruction 464.01
      • tracheitis (see also Laryngotracheitis) 464.20
  • Laryngotracheitis (acute) (infectional) (viral) (see also Laryngitis) 464.20
    • Borrelia vincenti 101
    • 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 464.20
    • tuberculous (see also Tuberculosis, larynx) 012.3
  • Tracheitis (acute) (catarrhal) (infantile) (membranous) (plastic) (pneumococcal) (septic) (suppurative) (viral) 464.10
    • with
      • bronchitis 490
        • acute or subacute 466.0
        • chronic 491.8
        • tuberculosis - see Tuberculosis, pulmonary
      • laryngitis (acute) 464.20
        • with obstruction 464.21
        • chronic 476.1
        • tuberculous (see also Tuberculosis, larynx) 012.3
      • obstruction 464.11
 464.2 ICD9Data.com 464.21 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 464.20 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 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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