G47.00 is the authoritative medical code for Insomnia, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for insomnia, unspecified (ICD-10-CM G47.00), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Insomnia, unspecified is a billable ICD-10-CM diagnosis code G47.00. Inclusion terms: Insomnia NOS. Excludes2 (not included here): alcohol related insomnia (F10.182, F10.282, F10.982); drug-related insomnia (F11.182, F11.282, F11.982, F13.182, F13.282, F13.982, F14.182, F14.282, F14.982, F15.182, F15.282, F15.982, F19.182, F19.282, F19.982); idiopathic insomnia F51.01; insomnia due to a mental disorder F51.05; insomnia not due to a substance or known physiological condition F51.0-; nonorganic insomnia F51.0-; primary insomnia F51.01; sleep apnea G47.3-; nightmares F51.5; nonorganic sleep disorders F51.-; sleep terrors F51.4; sleepwalking F51.3.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G47.00 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- alcohol related insomnia (F10.182, F10.282, F10.982)
- drug-related insomnia (F11.182, F11.282, F11.982, F13.182, F13.282, F13.982, F14.182, F14.282, F14.982, F15.182, F15.282, F15.982, F19.182, F19.282, F19.982)
- idiopathic insomnia F51.01
- insomnia due to a mental disorder F51.05
- insomnia not due to a substance or known physiological condition F51.0-
- nonorganic insomnia F51.0-
- primary insomnia F51.01
- sleep apnea G47.3-
- nightmares F51.5
- nonorganic sleep disorders F51.-
- sleep terrors F51.4
- sleepwalking F51.3
Frequently Asked Questions (FAQ) & Clinical Guidance
Can G47.00 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, G47.00 and the following are not considered part of each other and may both be reported when both conditions are present: alcohol related insomnia (F10.182, F10.282, F10.982); drug-related insomnia (F11.182, F11.282, F11.982, F13.182, F13.282, F13.982, F14.182, F14.282, F14.982, F15.182, F15.282, F15.982, F19.182, F19.282, F19.982); idiopathic insomnia (F51.01); insomnia due to a mental disorder (F51.05).
What conditions are included under G47.00?
Insomnia, unspecified includes: Insomnia NOS.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to G47.00 in its code family, with their registry titles.
- G47 — Sleep disorders
- G47.0 — Insomnia
- G47.01 — Insomnia due to medical condition
- G47.09 — Other insomnia
- G47.1 — Hypersomnia
- G47.10 — Hypersomnia, unspecified
- G47.11 — Idiopathic hypersomnia with long sleep time
- G47.12 — Idiopathic hypersomnia without long sleep time
- G47.13 — Recurrent hypersomnia
- G47.14 — Hypersomnia due to medical condition
View all 40 codes in the G47 family
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.