2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Injury And Poisoning 800-999 > Other And Unspecified Effects Of External Causes 990-995 > Effects Of Other External Causes 994.* > 2008 ICD-9-CM Diagnosis 994.4 Exhaustion due to exposure  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 Therefore, this code may be out of date.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 994.4 can be accessed here. 994.4 is a specific code that can be used to specify a diagnosis 994.4 contains 4 index entries View the ICD-9-CM Volume 1 994.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 994.4: Effect, adverse NEC exposure 994.9 exhaustion 994.4 Exhaustion, exhaustive (physical NEC) 780.79 due to exposure 994.4 Exposure 994.9 exhaustion due to 994.4 Overexposure (effects) 994.9 exhaustion 994.4