P28.40 ICD-10-CM Code: Unspecified apnea of newborn
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
P28.40Unspecified apnea of newborn
ICD-10-CM diagnosis code · United States clinical modification
Where P28.40 sits
- 1
Chapter 16
Certain conditions originating in the perinatal period (P00-P96)
- 2
Section
Respiratory and cardiovascular disorders specific to the perinatal period (P19-P29)
- 3
Category P28
Other respiratory conditions originating in the perinatal period
- 4
Subcategory P28.4
Other apnea of newborn
- 5
Code P28.40
Unspecified apnea of newborn
Notes for this code
Inclusion terms
- Apnea of newborn, NOS
- Transient oxygen desaturation spells of newborn
Code first
No “code first” instruction is listed for P28.40.
Use additional code
No “use additional code” instruction is listed for P28.40.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for P28.40.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for P28.40.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code P28.40 mean?
P28.40 is the FY 2027 U.S. ICD-10-CM code for “Unspecified apnea of newborn.”
Is P28.40 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, P28.40 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is P28.40 located in ICD-10-CM?
P28.40 is listed in Chapter 16, Certain conditions originating in the perinatal period (P00-P96), within Respiratory and cardiovascular disorders specific to the perinatal period (P19-P29) (P19–P29), under category P28, Other respiratory conditions originating in the perinatal period and subcategory P28.4, Other apnea of newborn.
What coding notes are listed for P28.40?
Its listed inclusion terms are Apnea of newborn, NOS; Transient oxygen desaturation spells of newborn. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.