2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Supplementary Classification Of Factors Influencing Health Status And Contact With Health Services V01-V86 > Body Mass Index V85-V85 > Body Mass Index (Bmi) V85.* > 2008 ICD-9-CM Diagnosis V85.31 Body mass index 31.0-31.9, adult  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 Therefore, this code may be out of date.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 V85.31 can be accessed here. V85.31 is a specific code that can be used to specify a diagnosis V85.31 contains 2 index entries View the ICD-9-CM Volume 1 V85.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing V85.31: BMI (body mass index) adult - V85.31 Body, bodies mass index (BMI) adult - V85.31