ICD-9-CM Codes ICD-9-PCS Codes

327.21 - Primary central sleep apnea

GEM Conversion to ICD-10 CM

G47.31

Fs: 00000 – Primary central sleep apnea

Sibling Codes

327.20

Organic sleep apnea, unspecified

327.21

Primary central sleep apnea

327.22

High altitude periodic breathing

327.23

Obstructive sleep apnea (adult)(pediatric)

327.24

Idiopathic sleep related non-obstructive alveolar hypoventilation

327.25

Congenital central alveolar hypoventilation syndrome

327.26

Sleep related hypoventilation/hypoxemia in conditions classifiable elsewhere

327.27

Central sleep apnea in conditions classified elsewhere

327.29

Other organic sleep apnea

Parent Sibling Codes

327.8

Other organic sleep disorders