G47.21
BillableCircadian rhythm sleep disorder, delayed sleep phase type
Circadian rhythm sleep disorder, delayed sleep phase type
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Delayed sleep phase syndrome
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)
Also Known As / Clinical Terms
SNOMED CT
UMLS
- Circadian rhythm sleep disorder, delayed sleep phaseC0393770
- Circadian rhythm sleep disorder, delayed sleep phase typeC0393770
- Delayed Sleep Phase SyndromeC0393770
- Delayed Sleep Phase Type Circadian Rhythm Sleep DisorderC0393770
- Delayed Sleep-Phase SyndromeC0393770
- Delayed Sleep-Phase SyndromesC0393770
- Delayed sleep phase syndromeC0393770
- Delayed sleep-wake phase disorderC0393770
- Sleep-wake schedule disorder, delayed phase typeC0393770
- Sleep-wake schedule disorder, delayed phase type (disorder)C0393770
- delayed phase sleep syndromeC0393770
- delayed sleep phase syndromeC0393770
Frequently Asked Questions
What is the ICD-10 code for circadian rhythm sleep disorder, delayed sleep phase type?
The ICD-10-CM code for circadian rhythm sleep disorder, delayed sleep phase type is G47.21. The full clinical description is "Circadian rhythm sleep disorder, delayed sleep phase type". G47.21 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G47.21 mean?
ICD-10-CM code G47.21 represents "Circadian rhythm sleep disorder, delayed sleep phase type". It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G47.21 a billable code?
Yes, G47.21 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G47.21 in?
G47.21 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What SNOMED CT codes does G47.21 map to?
G47.21 maps to 1 SNOMED CT concept: 80623000. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G47.21?
G47.21 is linked to 1 UMLS Concept Unique Identifier: C0393770. 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.
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.