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Medical Coders' Use of the ICD-10-CM "Unspecified" Codes for Head and Brain Injury in Emergency Department Settings

Wharton T, Bailey M, Peterson A, Sarmiento K, Bleser JA, Costello EH

Journal of public health management and practice : JPHMP, 2024

Abstract

CONTEXT: In the emergency department (ED) setting, prioritizing triage and patient care may lead to challenges in capturing detailed documentation necessary for specific International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) coding in medical records. Consequently, the prevalent use of the "unspecified head injury" code poses concerns about the precision of ED-based administrative billing claims data when analyzed for public health surveillance of nonfatal traumatic brain injuries (TBIs). Understanding the perspective of medical coders can illuminate coding processes and opportunities to enhance coding accuracy for TBI and other head injuries in the ED.

OBJECTIVE: This evaluation explores medical coders' perspectives and challenges when assigning ICD-10-CM codes to head injuries in the ED.

DESIGN: This qualitative evaluation utilized a phenomenological approach, which employed semi-structured interviews to understand medical coders' perspectives, processes, and coding determinations for head injuries in the ED.

SETTING: Interviews were conducted using a HIPAA-compliant video-based platform between July 2022 and January 2023.

PARTICIPANTS: Seventeen medical coders with ED coding experience were interviewed. Their backgrounds were diverse, though most had more than 15 years of experience.

MAIN OUTCOMES: Four qualitative themes emerged, which highlighted challenges with lack of detailed documentation, defaulting to unspecified codes, time,…

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