ICD-10-CM
ICD-10 code for Pylorospasm (reflex) NEC newborn: Q40.0
The ICD-10-CM index points "Pylorospasm (reflex) NEC newborn" to Q40.0, Congenital hypertrophic pyloric stenosis. Q40.0 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in Q40
A header groups codes and is not billed. A billable code is one you can report.
- Q40Other congenital malformations of upper alimentary tractHeader
- Q40.0Congenital hypertrophic pyloric stenosisBillable
- Q40.1Congenital hiatus herniaBillable
- Q40.2Other specified congenital malformations of stomachBillable
- Q40.3Congenital malformation of stomach, unspecifiedBillable
- Q40.8Other specified congenital malformations of upper alimentary tractBillable
- Q40.9Congenital malformation of upper alimentary tract, unspecifiedBillable
Related conditions
Related pages
- Q40.0 code detailsNotes, nearby codes, CMS-HCC group
- Category Q40Every code under it
- Chapter 17Congenital malformations and chromosomal abnormalities
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Pylorospasm (reflex) NEC newborn?
The ICD-10-CM index points "Pylorospasm (reflex) NEC newborn" to Q40.0, Congenital hypertrophic pyloric stenosis. Q40.0 is a billable code.
Is Q40.0 billable?
Yes. Q40.0 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is Q40.0 in?
Chapter 17. Congenital malformations and chromosomal abnormalities.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.