Which of the following instructions should a medical assistant give to a patient who is scheduled for a GTT?
"Avoid alcohol for 48 hours prior to the test."
"Do not eat for 8 hours prior to the test."
"Limit physical exertion for 24 hours prior to the test."
"Eat a high carbohydrate meal 3 hours prior to the test."
The Correct Answer is B
A. "Avoid alcohol for 48 hours prior to the test.": While avoiding alcohol may be generally recommended for some tests, fasting is the primary requirement for a glucose tolerance test (GTT).
B. "Do not eat for 8 hours prior to the test.": A GTT typically requires fasting for 8-12 hours to accurately measure glucose levels.
C. "Limit physical exertion for 24 hours prior to the test.": Physical exertion is not typically a specific concern for a GTT, but fasting is essential.
D. "Eat a high carbohydrate meal 3 hours prior to the test.": A high carbohydrate meal is not required; fasting is necessary before the test.
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Correct Answer is D
Explanation
A. Physicians' Desk Reference: The Physicians' Desk Reference (PDR) provides drug information and is not used for diagnostic coding. It includes details about medications, such as their uses, dosages, and side effects.
B. CPT manual: The CPT (Current Procedural Terminology) manual is used to find codes for procedures and services provided by healthcare professionals, not diagnostic codes.
C. HCPCS: The Healthcare Common Procedure Coding System (HCPCS) is primarily used for coding supplies, equipment, and services not included in the CPT manual. It is not used for diagnostic coding.
D. ICD-10-CM coding manual: The ICD-10-CM (International Classification of Diseases, 10th Revision, Clinical Modification) manual is the correct reference for finding diagnostic codes, including those for arteriosclerotic heart disease.
Correct Answer is A
Explanation
A. Choose procedure codes based on the encounter form. The encounter form, also known as a superbill, lists the procedures and services provided during the visit. The correct procedure codes (CPT codes) should be selected from this form to ensure accurate billing.
B. Upcode for greater reimbursement. Upcoding, or selecting a higher-level code than justified, is illegal and unethical as it constitutes fraud. This should never be done.
C. Refer to ICD-9 for diagnostic codes. ICD-9 codes have been replaced by ICD-10 codes, which are now the standard for diagnostic coding in the United States. Referring to ICD-9 codes would result in incorrect or outdated billing.
D. Enter all data using lowercase letters. Data entry in all lowercase letters is not a standard practice in medical billing and would not affect the accuracy of the codes. Proper case usage is typically recommended for clarity.