ICDcodes.org
FY2027

R40.2412Glasgow coma scale score 13-15, at arrival to emergency department

Billable

Is R40.2412 billable?

Yes — R40.2412 is billable for FY2027. R40.2412 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. R40.2412 may be submitted for encounters from October 1, 2026 through September 30, 2027.

R40.2412 at a glance

CodeR40.2412
DescriptionGlasgow coma scale score 13-15, at arrival to emergency department
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "2"at arrival to emergency department

What does the 7th character "2" mean in R40.2412?

In R40.2412, the 7th character 2 means at arrival to emergency department. The 7th character is required for R40.2412 to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

What Medicare edits apply to R40.2412?

The Medicare Code Editor screens inpatient claims before they are grouped. These edits name R40.2412 directly.

Cannot be a principal diagnosis — MCE edit 9

CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.

Which MS-DRGs does R40.2412 group to?

R40.2412 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 951Other Factors Influencing Health Statusmedical

How is R40.2412 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under R40.241, the nearest indexed parent of R40.2412. Use them to find the family, then select the specific code.

  • Glasgow coma scaletotal score13-15

Excludes1 — never code together — inherited from R40

The conditions below can never be reported together with R40.2412 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • neonatal coma (P91.5)
  • somnolence, stupor and coma in diabetes (E08-E13)
  • somnolence, stupor and coma in hepatic failure (K72.-)
  • somnolence, stupor and coma in hypoglycemia (nondiabetic) (E15)

Code first — inherited from R40.2

The underlying condition below must be sequenced before R40.2412. R40.2412 describes a manifestation and cannot be the principal or first-listed diagnosis.

  • any associated:
  • fracture of skull (S02.-)
  • intracranial injury (S06.-)

Excludes2 — not included here — inherited from Chapter 18

The conditions below are not part of R40.2412, but a patient may have both at the same time. When documentation supports it, R40.2412 and the excluded code may both be reported.

  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

Excludes2 — not included here — inherited from R40-R46

The conditions below are not part of R40.2412, but a patient may have both at the same time. When documentation supports it, R40.2412 and the excluded code may both be reported.

  • symptoms and signs constituting part of a pattern of mental disorder (F01-F99)

How long has R40.2412 existed?

R40.2412 first appears in FY2018 (FY2017 is not available, so it may have appeared then).

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.