Ob-Gyn Coding Alert

Question: A type I diabetic undergoes a pregnancy test. The results are positive, and the ob-gyn tells her she is six weeks pregnant. What's the proper diagnosis code sequencing here? Washington Subscriber Answer: The correct coding sequence is: V72.42 -- Pregnancy examination or test, positive result 250.01 -- Diabetes mellitus without mention of complication; type I (juvenile type), not stated as uncontrolled. You should use this coding sequence because the test was the reason for the visit, and your physician did not necessarily provide any obstetrical care. Sequence for follow-ups: When the patient undergoes subsequent obstetrical care, your proper coding would be: 648.03 -- Diabetes mellitus complicating pregnancy; antepartum condition or complication 250.01.