AutoICD API

R40.2A

Billable

Nontraumatic coma due to underlying condition

Nontraumatic coma due to underlying condition

Status

Billable / Specific

Block

R40-R46

Parent Code

R40.2

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Secondary coma

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.-)
  • underlying condition

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for nontraumatic coma due to underlying condition?

The ICD-10-CM code for nontraumatic coma due to underlying condition is R40.2A. The full clinical description is "Nontraumatic coma due to underlying condition". R40.2A is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code R40.2A mean?

ICD-10-CM code R40.2A represents "Nontraumatic coma due to underlying condition". It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.

Is R40.2A a billable code?

Yes, R40.2A is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is R40.2A in?

R40.2A is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).

What codes cannot be used with R40.2A?

R40.2A 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 UMLS CUIs for R40.2A?

R40.2A is linked to 2 UMLS Concept Unique Identifiers: C5819284, C5819597. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.