Free Searchable ICD-9-CM Diagnosis Codes
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2009
> Diseases Of The Respiratory System
460-519
> Acute Respiratory Infections
460-466
> Acute laryngitis and tracheitis
464.*
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2009 ICD-9-CM Diagnosis Code 464.4
Croup
464.31
464.5
464.4 is a billable ICD-9-CM medical code that can be used to specify a diagnosis on a reimbursement claim.
Newer versions of 464.4:
2010
Also applicable to/known as
Croup syndrome
ICD-9-CM Volume 2 Index Entries That Refer To 464.4
Angina (attack) (cardiac) (chest) (effort) (heart) (pectoris) (syndrome) (vasomotor)
413.9
croupous
464.4
membranous
464.4
diphtheritic
032.0
trachealis
464.4
Croup, croupous (acute) (angina) (catarrhal) (infective) (inflammatory) (laryngeal) (membranous) (nondiphtheritic) (pseudomembranous)
464.4
asthmatic (see also Asthma)
493.9
bronchial
466.0
diphtheritic (membranous)
032.3
false
478.75
spasmodic
478.75
diphtheritic
032.3
stridulous
478.75
diphtheritic
032.3
Syndrome - see also Disease
croup
464.4