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Cassandra Sunstein

@cassandrasunstein

Medical coder at University of Tennessee Medical Center and MAXIMUS, coding Medicare appeals and patient records.

At University of Tennessee Medical Center, I sequence ICD-10-CM and CPT codes for patient records across emergency and outpatient services, including gynecology, neurology, orthopedics, and radiology.

My outpatient and facility coding work includes an accuracy rate of 98% in 2026. I previously reported 99% accuracy while coding ER, outpatient, and ambulatory surgery/observation accounts.

At MAXIMUS, I handle contract coding for Medicare government coding appeals across ICD-10, CPT, HCPCS, and PCS. I also sequence ICD-10-CM and CPT codes for same-day surgery at University of Louisville.

I’m a CPC-certified medical coder with a Bachelor of Science in Health Information Management from Western Governors University. I use coding tools including Cerner, Epic, and 3M.

Experience

Work history, roles, and key accomplishments

Current

Same Day Surgery Coder

Current

University of Louisville

Mar 2026 - Present (7 months)

Sequenced ICD-10-CM and CPT codes to patient records for same day surgery cases.

ICD 10 CM CPT Medical Coding Same Day Surgery

Current

Medicare Appeals Coder

Current

Maximus

Apr 2024 - Present (2 years 6 months)

Performed contract coding for Medicare government coding appeals across all coding situations including ICD-10, CPT, HCPCS, and PCS.

ICD 10 CPT HCPCS PCs Medicare Appeals Coding

Current

Medical Coder

Current

University of Tennessee Medical Center

Jan 2015 - Present (11 years 9 months)

Sequenced ICD-10-CM and CPT codes to patient records across ER and outpatient services including gynecology, neurology, urology, orthopedics, radiology, cardiology, and laboratory. Maintained high accuracy rates on a high volume of accounts.

ICD 10 CM CPT Medical Coding Outpatient Coding Emergency Department Coding PowerChart Cerner Epic