* Procedure: Abdominal aorta catheterization and selective placement in the celiac trunk for angiography.
* CPT Codes:
* 36246: This code is for the catheter placement in the abdominal aorta.
* 75726-26: This code represents the abdominal angiography with supervision and interpretation, with the -26 modifier indicating the professional component.
* Code Selection Justification: The procedure involves the catheterization of the abdominal aorta and the specific imaging performed with supervision and interpretation.
References:
* AMA CPT Professional Edition (current year)
* ICD-10-CM (current year)
* HCPCS Level II (current year)

For a patient diagnosed with sepsis and associated acute respiratory failure, the ICD-10-CM codes are:
* A41.9: Sepsis, unspecified organism.
* R65.21: Severe sepsis with septic shock.
* J96.00: Acute respiratory failure, unspecified whether with hypoxia or hypercapnia.
These codes appropriately capture the severity of the sepsis and the presence of acute respiratory failure.
References:
* ICD-10-CM guidelines
* AMA's CPT Professional Edition (current year)

The patient is seeing a new doctor in the same specialty group for an enlarged goiter and is undergoing a medically appropriate history and exam, along with a fine needle aspiration biopsy.
* Procedure Description:
* Medically appropriate history and exam.
* Review of TSH results and ultrasound.
* Ordering of fine needle aspiration biopsy.
* CPT Coding:
* 99202: Office or other outpatient visit for the evaluation and management of a new patient, which requires a medically appropriate history and/or examination and straightforward medical decision making.
Since it has been two years since the last visit and the patient is being seen by a new doctor in the same specialty group, the encounter is considered a new patient visit.
References:
* AMA's CPT Professional Edition (current year).
* CPT Assistant for detailed coding guidelines on evaluation and management services.