heatherwinters
Expert
ICD-9-CM Official Guidelines for Coding and Reporting I would like some feedback from other coders about how they would code a dx of elevated glucose as indicated by a lab value of >90 as part of a CMP. In the past, I have coded these as 790.21 in absence of a dx of DM, however, the following seems to lean towards 790.6. Any thoughts on this?
Medicare National Coverage
Determinations (NCD)
Coding Policy Manual and Change Report
July 2008
190.20 – Blood Glucose Testing
1. A diagnostic statement of impaired glucose tolerance must be evaluated in the context of the documentation in the medical record in order to assign the most accurate ICD-9-CM code. An abnormally elevated fasting blood glucose level in the absence of the diagnosis of diabetes is classified to Code 790.6 - other abnormal blood chemistry. If the provider bases the diagnostic statement of impaired glucose tolerance” on an abnormal glucose tolerance test, the condition is classified to 790.2 -- normal glucose tolerance test. Both conditions are considered indications for ordering glycated hemoglobin or glycated protein testing in the absence of the diagnosis of diabetes mellitus.
Medicare National Coverage
Determinations (NCD)
Coding Policy Manual and Change Report
July 2008
190.20 – Blood Glucose Testing
1. A diagnostic statement of impaired glucose tolerance must be evaluated in the context of the documentation in the medical record in order to assign the most accurate ICD-9-CM code. An abnormally elevated fasting blood glucose level in the absence of the diagnosis of diabetes is classified to Code 790.6 - other abnormal blood chemistry. If the provider bases the diagnostic statement of impaired glucose tolerance” on an abnormal glucose tolerance test, the condition is classified to 790.2 -- normal glucose tolerance test. Both conditions are considered indications for ordering glycated hemoglobin or glycated protein testing in the absence of the diagnosis of diabetes mellitus.