A35 year old female in her second trimester ,with gestational diabetes, is seen today for a routine pregnancy visit. how should the icd -10 code be sequenced: code for gestational diabetes only; dm code first followed by the appropriate pregnancy code ; appropriate pregnancy code only; appropriate pregnancy code first followed by the dm code

ICD-10 CM code sequence for gestational diabetes:

DM code first followed by the appropriate pregnancy code

Explanation:

The ICD-10 CM code for gestational diabetes is O24.419

The first three characters of the code- O24 denotes gestational diabetes mellitus (GDM)

The fifth character refers to the stage when GDM occurred. the code 0.24.4 denotes GDM in pregnancy

The trimester is mentioned next

The last character denotes control of diabetes

So the complete ICD-10 CM code for gestational diabetes is: O24.419 which stands for gestational diabetes mellitus, in pregnancy, unspecified control