ICD-10-CM Alphabetic Index · FY 2027 68 Entries

Coma in the ICD-10-CM Index ICD-10-CM

The main term Coma carries 68 index entries pointing to 22 ICD-10-CM codes. The default entry is R40.20, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2027 index fileEffective Oct 1, 2026 – Sep 30, 2027

Index Entries

Codes Referenced

R40.20

Default Code

Letter

68 of 68 shown

ICD-10-CM

Index Entries Under Coma 68 entries · 22 codes

Coma R40.20

with

motor response (none) R40.231 Non-billable

abnormal R40.233 Non-billable

abnormal extensor posturing to pain or noxious stimuli (< 2 years of age) R40.232 Non-billable

abnormal flexure posturing to pain or noxious stimuli (0-5 years of age) R40.233 Non-billable

extension R40.232 Non-billable

extensor posturing to pain or noxious stimuli (2-5 years of age) R40.232 Non-billable

flexion/decorticate posturing (< 2 years of age) R40.233 Non-billable

flexion withdrawal R40.234 Non-billable

localizes pain (2-5 years of age) R40.235 Non-billable

normal or spontaneous movement (< 2 years of age) R40.236 Non-billable

obeys commands (2-5 years of age) R40.236 Non-billable

score of

1 R40.231 Non-billable

2 R40.232 Non-billable

3 R40.233 Non-billable

4 R40.234 Non-billable

5 R40.235 Non-billable

6 R40.236 Non-billable

withdraws from pain or noxious stimuli (0-5 years of age) R40.234 Non-billable

withdraws to touch (< 2 years of age) R40.235 Non-billable

opening of eyes (never) R40.211 Non-billable

in response to

pain R40.212 Non-billable

sound R40.213 Non-billable

score of

1 R40.211 Non-billable

2 R40.212 Non-billable

3 R40.213 Non-billable

4 R40.214 Non-billable

spontaneous R40.214 Non-billable

verbal response (none) R40.221 Non-billable

confused conversation R40.224 Non-billable

cooing or babbling or crying appropriately (< 2 years of age) R40.225 Non-billable

inappropriate crying or screaming (< 2 years of age) R40.223 Non-billable

inappropriate words R40.223 Non-billable

inappropriate words (2-5 years of age) R40.224 Non-billable

incomprehensible sounds (2-5 years of age) R40.222 Non-billable

incomprehensible words R40.222 Non-billable

irritable cries (< 2 years of age) R40.224 Non-billable

moans/grunts to pain; restless (<2 years old) R40.222 Non-billable

oriented R40.225 Non-billable

score of

1 R40.221 Non-billable

2 R40.222 Non-billable

3 R40.223 Non-billable

4 R40.224 Non-billable

5 R40.225 Non-billable

screaming (2-5 years of age) R40.223 Non-billable

uses appropriate words (2- 5 years of age) R40.225 Non-billable

eclamptic see Eclampsia

epileptic see Epilepsy

Glasgow, scale score see Glasgow coma scale

hepatic see Failure, hepatic, by type, with coma

hyperglycemic (diabetic) see Diabetes, by type, with hyperosmolarity, with coma

hyperosmolar (diabetic) see Diabetes, by type, with hyperosmolarity, with coma

hypoglycemic (diabetic) see Diabetes, by type, with hypoglycemia, with coma

nondiabetic E15

in diabetes see Diabetes, coma

insulin-induced see Coma, hypoglycemic

ketoacidotic (diabetic) see Diabetes, by type, with ketoacidosis, with coma

myxedematous E03.5

newborn P91.5

nontraumatic, due to underlying condition R40.2A

persistent vegetative state R40.3

secondary R40.2A

specified NEC, without documented Glasgow coma scale score, or with partial Glasgow coma scale score reported R40.244 Non-billable

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Related Index Terms

Glasgow coma scale All index terms starting with C Index to Diseases and Injuries ICD-10-CM Code Lookup

Source: Centers for Medicare & Medicaid Services, FY 2027 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2026 through September 30, 2027.