ICD-10-CM Code R40.242

Glasgow coma scale score 9-12

Version 2020 Replaced Code Non-Billable Code No Valid Principal Dx

Not Valid for Submission

R40.242 is a "header" nonspecific and non-billable code code, consider using a code with a higher level of specificity for a diagnosis of glasgow coma scale score 9-12. The code is NOT valid for the year 2020 for the submission of HIPAA-covered transactions.

ICD-10:R40.242
Short Description:Glasgow coma scale score 9-12
Long Description:Glasgow coma scale score 9-12

Consider the following ICD-10 codes with a higher level of specificity:

  • R40.2420 - ... unspecified time
  • R40.2421 - ... in the field [EMT or ambulance]
  • R40.2422 - ... at arrival to emergency department
  • R40.2423 - ... at hospital admission
  • R40.2424 - ... 24 hours or more after hospital admission

Replaced Code

This code was replaced in the 2020 ICD-10 code set with the code(s) listed below. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2019. This code was replaced for the FY 2020 (October 1, 2019 - September 30, 2020).

  • R40.2420 - Glasgow coma scale score 9-12, unspecified time
  • R40.2421 - Glasgow coma scale score 9-12, in the field
  • R40.2422 - Glasgow coma scale score 9-12, EMR
  • R40.2423 - Glasgow coma scale score 9-12, at hospital admission
  • R40.2424 - Glasgow coma scale score 9-12, 24+hrs

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code R40.242 are found in the index:


Code Classification

  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
      • Somnolence, stupor and coma (R40)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - Code Updated, effective from 10/1/2016 through 9/30/2017
    • New Description: Glasgow coma scale score 9-12
    • Previous Description: Glasgow coma scale score 9-12
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020