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ICD-10-CM Code R40.22
Coma scale, best verbal response

NON-BILLABLE
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.
| ICD-10 from 2011 - 2016

ICD Code R40.22 is a non-billable code. To code a diagnosis of this type, you must use one of the five child codes of R40.22 that describes the diagnosis 'coma scale, best verbal response' in more detail.


The ICD code R402 is used to code Coma

In medicine, coma (from the Greek κῶμα koma, meaning "deep sleep") is a state of unconsciousness in which a person: cannot be awakened; fails to respond normally to painful stimuli, light, or sound; lacks a normal wake-sleep cycle; and does not initiate voluntary actions. A person in a state of coma is described as being comatose. Typically, a distinction is made in the medical community between a coma and a medically induced coma, the former is generally understood to be a result of circumstances beyond the control of the medical community, while the latter is generally understood to be a means by which medical professionals may allow a patient's injuries to heal in a controlled environment.

Specialty: Neurology
MeSH Code: D003128
ICD 9 Code: 780.01
Source: Wikipedia

Coding Notes for R40.22 Info for medical coders on how to properly use this ICD-10 code

7th Character Extension Notes:

What is 7th Character Extension?

For codes less than 6 characters that require a 7th character a placeholder 'X' should be assigned for all characters less than 6. The 7th character must always be the 7th position of a code. E.g. The ICD-10-CM code T67.4 (Heat exhaustion due to salt depletion) requires an Episode of Care identifier. T67.4XXA Initial Encounter or T67.4XXD Subsequent Encounter. More Info
The following appropriate 7th character is to be added to subcategory R40.22-: See code R40.22-

ICD-10-CM Alphabetical Index References for 'R40.22 - Coma scale, best verbal response'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code R40.22. Click on any term below to browse the alphabetical index.


Parent Code: R40.2 - Coma

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/R4022