2021 ICD-10-CM Code R40.2430
Glasgow coma scale score 3-8, unspecified time
Valid for Submission
R40.2430 is a billable diagnosis code used to specify a medical diagnosis of glasgow coma scale score 3-8, unspecified time. The code R40.2430 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code R40.2430 might also be used to specify conditions or terms like glasgow coma scale, 3, glasgow coma scale, 4, glasgow coma scale, 5, glasgow coma scale, 6, glasgow coma scale, 7 , glasgow coma scale, 8, etc.
The code R40.2430 describes a circumstance which influences the patient's health status but not a current illness or injury. The code is unacceptable as a principal diagnosis.
Unspecified diagnosis codes like R40.2430 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.
| ICD-10: | R40.2430 |
| Short Description: | Glasgow coma scale score 3-8, unspecified time |
| Long Description: | Glasgow coma scale score 3-8, unspecified time |
Code Classification
Code Edits
The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:
- Unacceptable principal diagnosis - There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Glasgow coma scale, 3
- Glasgow coma scale, 4
- Glasgow coma scale, 5
- Glasgow coma scale, 6
- Glasgow coma scale, 7
- Glasgow coma scale, 8
Replacement Code
R402430 replaces the following previously assigned ICD-10 code(s):
- R40.243 - Glasgow coma scale score 3-8
Convert R40.2430 to ICD-9 Code
Code History
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018