R40.243 — Glasgow coma scale score 3-8
Is R40.243 billable?
No — R40.243 is a non-billable header code. R40.243 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 5 billable codes beneath R40.243.
Billable codes under this header
- R40.2430Glasgow coma scale score 3-8, unspecified time
- R40.2431Glasgow coma scale score 3-8, in the field [EMT or ambulance]
- R40.2432Glasgow coma scale score 3-8, at arrival to emergency department
- R40.2433Glasgow coma scale score 3-8, at hospital admission
- R40.2434Glasgow coma scale score 3-8, 24 hours or more after hospital admission
R40.243 at a glance
| Code | R40.243 |
|---|---|
| Description | Glasgow coma scale score 3-8 |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is R40.243 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R40.243. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Glasgow coma scale › total score › 3-8
Excludes1 — never code together — inherited from R40
The conditions below can never be reported together with R40.243 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Code first — inherited from R40.2
The underlying condition below must be sequenced before R40.243. R40.243 describes a manifestation and cannot be the principal or first-listed diagnosis.
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R40.243, but a patient may have both at the same time. When documentation supports it, R40.243 and the excluded code may both be reported.
Excludes2 — not included here — inherited from R40-R46
The conditions below are not part of R40.243, but a patient may have both at the same time. When documentation supports it, R40.243 and the excluded code may both be reported.
- symptoms and signs constituting part of a pattern of mental disorder (F01-F99)
What codes fall under R40.243? (5)
- R40.2430Glasgow coma scale score 3-8, unspecified time
- R40.2431Glasgow coma scale score 3-8, in the field [EMT or ambulance]
- R40.2432Glasgow coma scale score 3-8, at arrival to emergency department
- R40.2433Glasgow coma scale score 3-8, at hospital admission
- R40.2434Glasgow coma scale score 3-8, 24 hours or more after hospital admission
How long has R40.243 existed?
R40.243 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
- FY2018: R40.243 stopped being billable
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.