2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Other Disorders Of The Central Nervous System 340-349 > Other And Unspecified Disorders Of The Nervous System 349.* > 2006 ICD-9-CM Diagnosis 349.81 Cerebrospinal fluid rhinorrhea View the most recent version of ICD-9-CM 349.81 Discharge of cerebrospinal fluid through the nose. Common etiologies include trauma, neoplasms, and prior surgery, although the condition may occur spontaneously. (Otolaryngol Head Neck Surg 1997 Apr;116 349.81 is a specific code that can be used to specify a diagnosis 349.81 contains 2 index entries View the ICD-9-CM Volume 1 349.* hierarchy 349.81 Excludes cerebrospinal fluid otorrhea (388.61)  Index entries containing 349.81: Fistula (sinus) 686.9 cerebrospinal (fluid) 349.81 Rhinorrhea cerebrospinal (fluid) 349.81