2008 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.* > 2008 ICD-9-CM Diagnosis 349.81 Cerebrospinal fluid rhinorrhea  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 349.81 can be accessed here. 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(4):442-9) 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 ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 349.81 excludes: cerebrospinal fluid otorrhea (388.61) Index entries containing 349.81: Fistula (sinus) 686.9 cerebrospinal (fluid) 349.81 Rhinorrhea 478.19 cerebrospinal (fluid) 349.81