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2006 ICD-9-CM Volume 1 Diagnosis Codes
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> Diseases Of The Respiratory System
460-519
> Acute Respiratory Infections
460-466
> Acute Sinusitis
461.*
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2006 ICD-9-CM Diagnosis 461.9
Acute sinusitis unspecified
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ICD-9-CM 461.9
461.9 is a specific code that can be used to specify a diagnosis
461.9 contains 1 index entry
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461.* hierarchy
Alternate Terminology
Acute sinusitis NOS
Index entries containing 461.9:
Sinusitis (accessory) (nasal) (hyperplastic) (nonpurulent) (purulent) (chronic)
473.9
acute
461.9
ethmoidal
461.2
frontal
461.1
maxillary
461.0
specified type NEC
461.8
sphenoidal
461.3