AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 3; Ask the Editor
Partial Glasgow Coma Score
A non-verbal 65-year-old male, who has cerebral palsy and an intellectual disability, presents to the emergency department with a traumatic head injury after falling and striking his head on the sidewalk. The patient was witnessed with loss of consciousness for approximately two minutes and on admission he appeared lethargic and drowsy. While completing the Glasgow coma scale, the provider evaluated eye opening and motor response; however, since the patient was non-verbal at baseline, the best verbal response could not be assessed. What is the appropriate code assignment for the Glasgow coma scale score? Is it appropriate to assign code R40.244-, Other coma, without documented Glasgow coma scale score, or with partial score reported, since the best verbal response could not be assessed? ...
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Article Overview
This premium article discusses a coding scenario involving emergency department documentation, traumatic head injury, and incomplete Glasgow Coma Scale assessment in a patient who is non-verbal at baseline. It is intended for coding professionals who need to understand how the documentation supports reporting a coma-related diagnosis code category and whether partial score reporting is appropriate when one portion of the score cannot be evaluated. The article focuses on the general coding issue, relevant diagnosis-code category, and documentation considerations without replacing the need to review the full guidance.
Why This Topic Matters
Incomplete neurological scoring is common in patients with baseline communication limitations, altered mental status, or severe injury. Accurate handling of this situation affects diagnosis coding, data quality, and consistency in emergency and trauma documentation.
What You Will Learn
- How incomplete Glasgow Coma Scale documentation is handled in a coding context
- What kind of documentation circumstances can affect coma-related diagnosis reporting
- How baseline patient conditions may intersect with emergency department neurological assessment coding
- Whether partial assessment documentation raises a diagnosis-code reporting question
Who Should Read This
- Certified professional coders
- Hospital inpatient and outpatient coding staff
- Emergency department coding specialists
- Clinical documentation integrity specialists
- Trauma registry staff
Codes Discussed
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