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 Reduced Temperature 991.* > 2006 ICD-9-CM Diagnosis 991.6 Hypothermia View the most recent version of ICD-9-CM 991.6 991.6 is a specific code that can be used to specify a diagnosis 991.6 contains 2 index entries View the ICD-9-CM Volume 1 991.* hierarchy Alternate Terminology Hypothermia (accidental) 991.6 Excludes hypothermia following anesthesia (995.89) hypothermia not associated with low environmental temperature (780.99)  Index entries containing 991.6: Hypothermia (accidental) 991.6 anesthetic 995.89 newborn NEC 778.3 not associated with low environmental temperature 780.99 Subnormal, subnormality temperature (accidental) 991.6 not associated with low environmental temperature 780.99