ICD-10-CM 2027
ICD-10 code for apnea newborn
From the official ICD-10-CM alphabetic index entry “Newborn (infant) (liveborn) (singleton) › apnea”. Page updated September 29, 2026.
About coding apnea newborn
The ICD-10-CM code for apnea newborn is P28.40 (Unspecified apnea of newborn). The official index lists 3 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on P28.40.
Within P28.4, choose P28.40 (Unspecified apnea of newborn) only when documentation doesn't support a more specific option: central neonatal apnea of newborn (P28.41), obstructive apnea of newborn (P28.42), mixed neonatal apnea of newborn (P28.43) and other apnea of newborn (P28.49).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
In MS-DRG v44.0, it is part of the grouping logic for DRG 794 (Neonate with Other Significant Problems, relative weight 1.4935), in MDC 15 (Newborns and Other Neonates with Conditions Originating in the Perinatal Period), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
More specific apnea newborn codes (official index)
Common questions about apnea newborn ICD-10 codes
What is the ICD-10 code for apnea newborn?
- P28.40 — Unspecified apnea of newborn. More specific codes apply when the documentation supports them: P28.30, P28.42, P28.30.
What is the ICD-10 code for primary apnea newborn?
- P28.30 — Primary sleep apnea of newborn, unspecified.
What is the ICD-10 code for obstructive apnea newborn?
- P28.42 — Obstructive apnea of newborn.
What is the ICD-10 code for sleep apnea newborn?
- P28.30 — Primary sleep apnea of newborn, unspecified.
Is P28.40 billable?
- Yes. P28.40 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can P28.40 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict P28.40 as a principal diagnosis.
Is P28.40 a CC or MCC?
- P28.40 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.