P28.40 Unspecified apnea of newborn

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Apnea of newborn, NOS
• Transient oxygen desaturation spells of newborn

Applies from P28 Other respiratory conditions originating in the perinatal period

Code also

• , if applicable, congenital malformations of the respiratory system (Q30-Q34)

Applies from P28.4 Other apnea of newborn

Excludes2 (not included here)

• primary sleep apnea of newborn (P28.3-)

MS-DRG index

Defines the logic of DRG(s) 794 in MDC 15.

Code annotations containing back-references to P28.40

Back-references to P28.4

• Type 1 Excludes: J98 Other respiratory disorders ("newborn apnea (P28.4-)")
• Type 1 Excludes: P28.2 Cyanotic attacks of newborn ("apnea of newborn (P28.3- - P28.4-)")
• Type 2 Excludes: P28.3 Primary sleep apnea of newborn ("other apnea of newborn (P28.4-)")
• Type 1 Excludes: R06.81 Apnea, not elsewhere classified ("apnea (of) newborn (P28.4-)")
• Type 1 Excludes: Z03.83 Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out ("newborn apnea (P28.4-)")
• Type 1 Excludes: Z05.81 Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out ("other newborn apnea (P28.4-)")

Diagnosis Index entries for P28.40

• Apnea, apneic (of) (spells) › newborn
• Newborn (infant) (liveborn) (singleton) › apnea
• Spells, transient oxygen desaturation of newborn

Nearby codes

• P28.31 Primary central sleep apnea of newborn
• P28.32 Primary obstructive sleep apnea of newborn
• P28.33 Primary mixed sleep apnea of newborn
• P28.39 Other primary sleep apnea of newborn
• P28.4 Other apnea of newborn
• P28.40 Unspecified apnea of newborn (this code)
• P28.41 Central neonatal apnea of newborn
• P28.42 Obstructive apnea of newborn
• P28.43 Mixed neonatal apnea of newborn
• P28.49 Other apnea of newborn
• P28.5 Respiratory failure of newborn