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478.75 LARYNGEAL SPASM


Code Information

Diagnosis Code: 478.75

Short Description: Laryngeal spasm

Long Description: Laryngeal spasm

Code Classification:

  • Diseases of the respiratory system (460–519)
    • Other diseases of upper respiratory tract (470-478)
      • 478 Other diseases of upper respiratory tract
        • 478.75 Laryngeal spasm

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 478.75 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Asthma, asthmatic (bronchial) (catarrh) (spasmodic) 493.9
    • Millar's (laryngismus stridulus) 478.75
    • Wichmann's (laryngismus stridulus) 478.75
  • Croup, croupous (acute) (angina) (catarrhal) (infective) (inflammatory) (laryngeal) (membranous) (nondiphtheritic) (pseudomembranous) 464.4
    • false 478.75
    • spasmodic 478.75
      • diphtheritic 032.3
    • stridulous 478.75
      • diphtheritic 032.3
  • False - see also condition
    • croup 478.75
  • Laryngismus (acute) (infectious) (stridulous) 478.75
    • congenital 748.3
    • diphtheritic 032.3
  • Laryngitis (acute) (edematous) (fibrinous) (gangrenous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) (viral) 464.00
    • spasmodic 478.75
      • acute 464.00
        • with obstruction 464.01
    • stridulous 478.75
  • Laryngospasm 478.75
    • due to external agent - see Condition, respiratory, acute, due to
  • Laryngotracheitis (acute) (infectional) (viral) (see also Laryngitis) 464.20
    • pachydermic 478.75
    • spasmodic 478.75
      • acute 464.20
        • with obstruction 464.21
    • stridulous 478.75
  • Millar's asthma (laryngismus stridulus) 478.75
  • Obstruction, obstructed, obstructive
    • airway NEC 519.8
      • due to
        • laryngospasm 478.75
  • Pseudocroup 478.75
  • Spasm, spastic, spasticity (see also condition) 781.0
    • glottis 478.75
      • hysterical 300.11
      • psychogenic 306.1
        • specified as conversion reaction 300.11
      • reflex through recurrent laryngeal nerve 478.75
    • larynx, laryngeal 478.75
      • hysterical 300.11
      • psychogenic 306.1
        • specified as conversion reaction 300.11
  • Wichmann's asthma (laryngismus stridulus) 478.75

Crosswalk Information

The code 478.75 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
478.75 Right Arrow J38.5 Laryngeal spasm
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
478.0 Hypertrophy of nasal turbinates
478.11 Nasal mucositis (ulcerative)
478.19 Other disease of nasal cavity and sinuses
478.20 Unspecified disease of pharynx
478.21 Cellulitis of pharynx or nasopharynx
478.22 Parapharyngeal abscess
478.24 Retropharyngeal abscess
478.25 Edema of pharynx or nasopharynx
478.26 Cyst of pharynx or nasopharynx
478.29 Other diseases of pharynx, not elsewhere classified
478.30 Paralysis of vocal cords or larynx, unspecified
478.31 Unilateral paralysis of vocal cords or larynx, partial
478.32 Unilateral paralysis of vocal cords or larynx, complete
478.33 Bilateral paralysis of vocal cords or larynx, partial
478.34 Bilateral paralysis of vocal cords or larynx, complete
478.4 Polyp of vocal cord or larynx
478.5 Other diseases of vocal cords
478.6 Edema of larynx
478.70 Unspecified disease of larynx
478.71 Cellulitis and perichondritis of larynx
478.74 Stenosis of larynx
478.79 Other diseases of larynx, not elsewhere classified
478.8 Upper respiratory tract hypersensitivity reaction, site unspecified
478.9 Other and unspecified diseases of upper respiratory tract

This page was last updated on: 10/1/2014

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