2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Injury And Poisoning 800-999 > Other And Unspecified Effects Of External Causes 990-995 > Effects Of Heat And Light 992.* > 2006 ICD-9-CM Diagnosis 992.6 Heat fatigue transient View the most recent version of ICD-9-CM 992.6 992.6 is a specific code that can be used to specify a diagnosis 992.6 contains 2 index entries View the ICD-9-CM Volume 1 992.* hierarchy  Index entries containing 992.6: Fatigue 780.79 heat (transient) 992.6 Heat (effects) 992.9 fatigue (transient) 992.6