G47.2

Non-billable

Circadian rhythm sleep disorders

Circadian rhythm sleep disorders

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

Status

Non-billable / Header

Block

G40-G47

Parent Code

G47

Child Codes

9

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Disorders of the sleep wake schedule
  • Inversion of nyctohemeral rhythm
  • Inversion of sleep rhythm

Excludes 2

Conditions not included here, but the patient may have both

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • nightmares (F51.5)
  • nonorganic sleep disorders (F51.-)
  • sleep terrors (F51.4)
  • sleepwalking (F51.3)

Child Codes (9)

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code G47.2?

ICD-10-CM code G47.2 represents "Circadian rhythm sleep disorders". It is a non-billable header code — use a more specific child code for billing purposes.

Is G47.2 a billable code?

No, G47.2 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under G47.2.

What chapter is G47.2 in?

G47.2 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).

What are the subcategories under G47.2?

G47.2 has 9 child codes, including: G47.20 (Circadian rhythm sleep disorder, unspecified type), G47.21 (Circadian rhythm sleep disorder, delayed sleep phase type), G47.22 (Circadian rhythm sleep disorder, advanced sleep phase type), G47.23 (Circadian rhythm sleep disorder, irregular sleep wake type), and 5 more.

What are the UMLS CUIs for G47.2?

G47.2 is linked to 3 UMLS Concept Unique Identifiers: C0877792, C2875254, C0338497. 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.