ICD-10-CM G47.21 → ICD-9
Circadian rhythm sleep disorder, delayed sleep phase type
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- 32731
Circadian rhythm sleep disorder, delayed sleep phase type
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.