AAPC Updated CPC Exam Questions and Answers by zorawar

CPT Code 62290: Discography, lumbar, single or multiple levels, radiological supervision and interpretation

This code accurately describes the procedure performed. The documentation indicates a lumbar discography was performed at a single level (L3-4) with radiological supervision (C-arm visualization).

ICD-10-CM Code M54.50: Low back pain, unspecified

This code is the most appropriate diagnosis based on the documentation. The preoperative diagnosis states "Low back pain possible spinal stenosis L3-4." While spinal stenosis was considered, it was not confirmed. The postoperative diagnosis indicates no evidence of spinal stenosis or discogenic pathology. Therefore, the definitive diagnosis is low back pain.

Why other options are incorrect:

62292: This code is for a discography with injection of contrast and/or medication for therapeutic purposes. The documentation doesn't indicate any therapeutic injection was performed.

M48.061 and M48.07: These codes represent spinal stenosis, which was not confirmed in the postoperative diagnosis.

CPT® code 15786 is used for abrasion treatment of a single lesion (e.g., for keratosis) through techniques like dermabrasion (lightly sanding the skin's surface). When treating multiple lesions in this manner, each lesion treated should be coded individually.

Since the patient has 5 keratosis lesions treated through sanding, 15786 x 5 accurately represents the procedure for each lesion.

Explanation of other options:

A. 15787 x 5: Incorrect because 15787 is designated for dermabrasion of "additional lesions" and would be used in conjunction with 15786, not alone.

B. 15786, 15787: Incorrect, as it does not account for all five lesions treated.

C. 15786, 15787 x 4: Incorrect, as 15787 is used only when performed in addition to 15786, not as a replacement for each additional lesion.

Therefore, the correct answer is D. 15786 x 5, which accurately reports the treatment of all five lesions.

Per ICD-10-CM guidelines, when dependence is documented with either use or abuse, only the dependence code is assigned, as it takes precedence.

For a patient in observation care, selecting the correct E/M codes requires evaluating each day's service level and the provider's documentation.

Day 1: The patient was admitted for observation, and the physician prescribed IV and SQ insulin, noting diabetes with hyperglycemia requiring complex management. The CPT® code 99235 is appropriate here because it represents an initial observation or inpatient care for patients with high-complexity medical decision-making (MDM), which aligns with the patient's unstable glucose and the management requirements.

Day 2: The patient's glucose levels improved, and the provider documented spending 25 minutes with the patient in continued observation care. Since this is an established patient with continued observation, 99231 applies here, indicating subsequent observation care with low MDM complexity.

Day 3: The provider documented spending 15 minutes with the patient, whose glucose levels normalized, and then discharged the patient from observation care. Code 99238 is used for a discharge from observation care and is selected based on discharge times under 30 minutes.

These codes were selected based on CPT® guidelines for observation care and the provider’s time-based documentation. This matches the medical decision complexity documented per the case and code descriptions available for observation care management.