2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Adjustment Reaction 309.* > 2008 ICD-9-CM Diagnosis 309.23 Specific academic or work inhibition  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 Therefore, this code may be out of date.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 309.23 can be accessed here. 309.23 is a specific code that can be used to specify a diagnosis 309.23 contains 5 index entries View the ICD-9-CM Volume 1 309.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 309.23: Fever 780.6 spring 309.23 Inhibition, inhibited academic as adjustment reaction 309.23 work as adjustment reaction 309.23 Reaction adjustment 309.9 with specific academic or work inhibition 309.23 Spring fever 309.23