2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Respiratory System 460-519 > Acute Respiratory Infections 460-466 > Acute Laryngitis And Tracheitis 464.* > 2006 ICD-9-CM Diagnosis 464.20 Acute laryngotracheitis without obstruction View the most recent version of ICD-9-CM 464.20 464.20 is a specific code that can be used to specify a diagnosis 464.20 contains 6 index entries View the ICD-9-CM Volume 1 464.* hierarchy  Index entries containing 464.20: Laryngitis (acute) (edematous) (fibrinous) (gangrenous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) (viral) 464.00 with tracheitis (see also Laryngotracheitis) 464.20 with obstruction 464.21 acute 464.20 with obstruction 464.21 chronic 476.1 Laryngotracheitis (acute) (infectional) (viral) (see also Laryngitis) 464.20 with obstruction 464.21 atrophic 476.1 Borrelia vincenti 101 catarrhal 476.1 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 with obstruction 464.21 hypertrophic 476.1 influenzal 487.1 pachydermic 478.75 sicca 476.1 spasmodic 478.75 acute 464.20 with obstruction 464.21 streptococcal 034.0 stridulous 478.75 syphilitic 095.8 congenital 090.5 tuberculous (see also Tuberculosis, larynx) 012.3 Vincent's 101 Tracheitis (acute) (catarrhal) (infantile) (membranous) (plastic) (pneumococcal) (septic) (suppurative) (viral) 464.10 with laryngitis (acute) 464.20 with obstruction 464.21 chronic 476.1 tuberculous (see also Tuberculosis, larynx) 012.3