2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Symptoms 780-789 > Symptoms Involving Head And Neck 784.* >  2008 ICD-9-CM Diagnosis 784.91
Postnasal drip- 784.91 is a specific code that can be used to specify a diagnosis
- 784.91 contains 2 index entries
- View the ICD-9-CM Volume 1 784.* hierarchy
Index entries containing 784.91:- Drip, postnasal (chronic)
 784.91- due to:
- allergic rhinitis - see Rhinitis, allergic
- common cold 460
- gastroesophageal reflux - see Reflux, gastroesophageal
- nasopharyngitis - see Nasopharyngitis
- other known condition - code to condition
- sinusitis - see Sinusitis
Postnasal drip 784.91
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