Pass the AAPC Certified Professional Coder CPC Questions and answers with ExamsMirror

The procedure described involves a LeFort I reconstruction, which is a type of orthognathic surgery performed to correct deformities of the midface. In this scenario, the surgeon performed the reconstruction in two pieces, moving the upper jawbone forward and repositioning the teeth of the maxilla. According to the CPT® guidelines, CPT code 21146 describes a LeFort I (maxilla only) osteotomy, two-piece segment, including bone grafts (includes obtaining autografts). This code matches the description provided.

References:

AMA's CPT® Professional Edition (current year), Code 21146

When a patient experiences an underdose of insulin due to an insulin pump malfunction, the primary reason for the encounter would be the malfunction itself, which is coded first. The resulting hyperglycemia or hypoglycemia due to the pump failure is a secondary condition. According to ICD-10-CM guidelines, the code for the mechanical complication of the pump (T85.633-) is sequenced first, followed by a code for the diabetes with complication (E11.65 for type 2 diabetes with hyperglycemia).References: ICD-10-CM (current year), Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88), ICD-10-CM Official Guidelines for Coding and Reporting, Section I.C.4.

1. Procedure and CPT® Code Selection:

The otolaryngologist was asked to perform a general otolaryngologic examination of the patient under general anesthesia to evaluate for injuries sustained from a traumatic fall.

CPT® Code 92502 is appropriate for a general otolaryngologic examination under general anesthesia. This code is used specifically when an ENT examination is performed under anesthesia, as was the case here.

2. Rationale for Excluding Other Options:

Code 92512 is for nasal function studies, such as rhinomanometry, which does not apply to a general otolaryngologic examination.

Code 21310 is for the treatment of a nasal fracture (closed treatment), which would only be appropriate if the otolaryngologist had performed a fracture reduction or repair. Since only an examination was performed, 21310 is not appropriate.

Code 92502-51 (option B) is incorrect because the -51 modifier (multiple procedures) is unnecessary; only a single examination was performed.

3. ICD-10-CM Code:

Since only the examination was performed and not treatment, the ICD-10-CM code for nasal fracture (likely S02.2XXA for unspecified fracture of the nasal bones, initial encounter) would be reported separately by the facility or based on final documentation.

4. AAPC and CPT® Coding Guidelines:

AAPC guidelines support the use of 92502 for general ENT examinations performed under anesthesia, especially in cases of trauma evaluation without surgical intervention.

Therefore, the correct answer is D. 92502.

1. Procedure and CPT® Code Selection:

The scenario describes the excision of a 5 cm tumor located in the left lower quadrant of the abdominal wall. The tumor was excised down to the dermis and subcutaneous layers and removed using electrocautery.

Code 22903 is appropriate for the excision of a soft tissue tumor in the abdominal wall greater than 5 cm, making it the correct CPT® code.

Code 22901 applies to the excision of a soft tissue tumor in the abdominal wall but only for tumors 5 cm or less. Given that the tumor in this case is exactly 5 cm, it meets the threshold for 22903, which is more appropriate here.

2. Diagnosis and ICD-10-CM Code Selection:

ICD-10-CM Code D49.2 is used for a neoplasm of unspecified behavior in the abdominal area, reflecting the fact that the pathology report is pending to determine if the tumor is malignant.

Code C76.2 would be incorrect because it is for malignant neoplasms of unspecified abdominal areas, which we cannot confirm based on the initial excision. Similarly, R19.04 (indicating a mass in the abdominal region) is a symptom code and is not appropriate for a definitive diagnosis when a neoplasm code (D49.2) exists.

3. AAPC and CPT® Coding Guidelines:

Per AAPC coding guidelines, the size of the tumor is critical in selecting the correct excision code for abdominal wall neoplasms. Additionally, if the tumor’s pathology is not confirmed as malignant, it is coded as a neoplasm of unspecified behavior until further details are known.

Therefore, based on CPT® and ICD-10-CM coding guidelines, the verified answer is B. 22903, D49.2.

A diagnostic mammogram performed on both breasts with computer-aided detection (CAD) is reported with CPT® code 77066. This code is used when CAD is utilized to further analyze the images for possible lesions, and it covers both breasts.

References:

AMA's CPT® Professional Edition (current year)

The adenoids, tonsils, appendix, and spleen are all part of the lymphatic system, which plays a crucial role in immune function and the filtration of pathogens. These organs contribute to the body's defense by trapping and eliminating bacteria and other pathogens.

Adenoids and tonsils are lymphatic tissues located in the throat and help prevent infection by filtering pathogens from inhaled or ingested particles.

The appendix contains lymphoid tissue and is thought to play a role in gut immunity.

The spleen filters blood, removing old or damaged blood cells and producing lymphocytes for immune response.

The other options are unrelated:

B. Gastrointestinal: Involved in digestion, but not specifically immune response.

C. Cardiovascular: Involved in blood circulation, not immune response.

D. Nervous: Coordinates sensory and motor functions, unrelated to lymphatic tissue.

Therefore, the correct answer is A. Lymphatic.

CPT Code 55706: Biopsy, prostate; needle, transperineal, stereotactic template guided saturation sampling, including imaging guidance.

This code accurately describes the procedure performed. The documentation clearly states that a stereotactic template was used to guide the biopsy needles, and multiple samples were taken (saturation biopsies). This code includes imaging guidance.  

CPT Code 76942: Ultrasonic guidance for needle placement (e.g., biopsy, aspiration, injection, localization device), imaging supervision and interpretation.  

Although 55706 includes imaging guidance, code 76942 is also reported separately because the transrectal ultrasound provided initial diagnostic images and was then used for guidance during the biopsy. This is supported by the documentation which states "Using a B & K ultrasound probe, a transrectal ultrasound of the prostate was obtained. Once this was done...a biopsy needle is inserted into the prostate...under ultrasound guidance." This indicates distinct uses of the ultrasound.

Important Note: While some sources suggest that 76942 and the diagnostic transrectal ultrasound code (76872) are bundled, it's crucial to consult the latest National Correct Coding Initiative (NCCI) edits for the most up-to-date guidance.

References:

CPT Code 55706: Biopsy, prostate; needle, transperineal, stereotactic template guided saturation sampling, including imaging guidance

CPT Code 76942: Ultrasonic guidance for needle placement (e.g., biopsy, aspiration, injection, localization device), imaging supervision and interpretation  

AAPC Coder's Desk Reference: This resource provides detailed information on coding guidelines and procedures.

NCCI Edits: Always check the most current NCCI edits to confirm coding combinations.

In this encounter, the correct coding order follows ICD-10-CM guidelines for coding multiple conditions when AIDS (B20) is documented, as it takes precedence. The patient's diagnosis of AIDS, documented with code B20, is reported as the primary diagnosis since it is a chronic condition. The M17.31 code is used to document unilateral primary osteoarthritis of the right knee, unrelated to AIDS but causing the patient's knee pain.

Explanation of each answer choice:

A. B20, M17.31: Correctly lists AIDS (B20) as the primary diagnosis and osteoarthritis of the right knee (M17.31) as the secondary diagnosis.

B. Z21, M08.861: Z21 represents asymptomatic HIV, not AIDS, which is incorrect here, and M08.861 is the code for juvenile idiopathic arthritis, not relevant in this case.

C. M17.11, B20: Incorrect as M17.11 is for unilateral primary osteoarthritis of the right knee, not left, and does not prioritize B20 as required.

D. M17.31, B20: Incorrect because it does not list B20 as the primary diagnosis, which is necessary per coding guidelines when AIDS is documented.

Thus, the correct answer is A. B20, M17.31.

The patient is undergoing a cardiac catheterization with a CRNA providing monitored anesthesia care (MAC). Code 00520 is for anesthesia for heart catheterization procedures. Modifier QX indicates CRNA service with medical direction by a physician, QS indicates MAC, and P5 indicates a patient with a severe systemic disease that is a constant threat to life. Thus, the correct code and modifier combination is 00520-QX-QS-P5.

88027 = Autopsy, gross and microscopic, with CNS examination

88016/88020 exclude spinal cord or microscopy