Home > 2014 ICD-9-CM Diagnosis Codes > Diseases Of The Respiratory System 460-519 > Acute Respiratory Infections 460-466 > Acute laryngitis and tracheitis 464-
Specific code 2014 ICD-9-CM Diagnosis Code 464.01
Acute laryngitis with obstruction
  • 2014
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • Short description: Ac laryngitis w obstruct.
  • ICD-9-CM 464.01 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 464.01 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 2014 version of ICD-9-CM 464.01.
  • More recent version(s) of ICD-9-CM 464.01: 2015.
Convert to ICD-10-CM: 464.01 converts approximately to:
  • 2015/16 ICD-10-CM J05.0 Acute obstructive laryngitis [croup]
Approximate Synonyms
  • Acute laryngitis w obstruction
ICD-9-CM Volume 2 Index entries containing back-references to 464.01:
  • Gangrene, gangrenous (anemia) (artery) (cellulitis) (dermatitis) (dry) (infective) (moist) (pemphigus) (septic) (skin) (stasis) (ulcer) 785.4
    • laryngitis 464.00
      • with obstruction 464.01
  • Inflammation, inflamed, inflammatory (with exudation)
    • glottis (see also Laryngitis) 464.00
      • with obstruction 464.01
    • larynx (see also Laryngitis) 464.00
      • with obstruction 464.01
      • diphtheritic 032.3
  • Laryngitis (acute) (edematous) (fibrinous) (gangrenous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) (viral) 464.00
    • with
      • influenza, flu, or grippe (see also Influenza) 487.1
      • obstruction 464.01
      • tracheitis (see also Laryngotracheitis) 464.20
    • H. influenzae 464.00
      • with obstruction 464.01
    • Hemophilus influenzae 464.00
      • with obstruction 464.01
  • Obstruction, obstructed, obstructive
    • laryngitis (see also Laryngitis) 464.01
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9
    • laryngitis (see also Laryngitis) 464.00
      • with obstruction 464.01
 464.00 ICD9Data.com 464.1 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 464.01 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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