AutoICD API

R40.221

Non-billable

Coma scale, best verbal response, none

Coma scale, best verbal response, none

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

R40-R46

Parent Code

R40.22

Child Codes

5

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Coma scale verbal score of 1

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • 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)

Excludes 2

Conditions not included here, but the patient may have both

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

Code First

The underlying condition must be sequenced before this code

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

Child Codes (5)

R40.2210

Coma scale, best verbal response, none, unspecified time

BillableR40.2211

Coma scale, best verbal response, none, in the field

BillableR40.2212

Coma scale, best verbal response, none, EMR

BillableR40.2213

Coma scale, best verbal response, none, admit

BillableR40.2214

Coma scale, best verbal response, none, 24+hrs

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for coma scale, best verbal response, none?

The ICD-10-CM code for coma scale, best verbal response, none is R40.221. The full clinical description is "Coma scale, best verbal response, none". R40.221 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code R40.221 mean?

ICD-10-CM code R40.221 represents "Coma scale, best verbal response, none". It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a non-billable header code. Use a more specific child code for billing purposes.

Is R40.221 a billable code?

No, R40.221 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under R40.221.

What chapter is R40.221 in?

R40.221 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).

What codes cannot be used with R40.221?

R40.221 has Excludes1 notes indicating codes that cannot be used together with it, including: neonatal coma (P91.5); somnolence, stupor and coma in diabetes (E08-E13); somnolence, stupor and coma in hepatic failure (K72.-); and 1 more.

What are the subcategories under R40.221?

R40.221 has 5 child codes, including: R40.2210 (Coma scale, best verbal response, none, unspecified time), R40.2211 (Coma scale, best verbal response, none, in the field), R40.2212 (Coma scale, best verbal response, none, EMR), R40.2213 (Coma scale, best verbal response, none, admit), and 1 more.

What are the UMLS CUIs for R40.221?

R40.221 is linked to 2 UMLS Concept Unique Identifiers: C4718808, C2830373. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.