ICD-10-CM
ICD-10 code for Pylorospasm: K31.3
The ICD-10-CM index points "Pylorospasm" to K31.3, Pylorospasm, not elsewhere classified. K31.3 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
More specific codes in K31
A header groups codes and is not billed. A billable code is one you can report.
- K31Other diseases of stomach and duodenumHeader
- K31.0Acute dilatation of stomachBillable
- K31.1Adult hypertrophic pyloric stenosisBillable
- K31.2Hourglass stricture and stenosis of stomachBillable
- K31.3Pylorospasm, not elsewhere classifiedBillable
- K31.4Gastric diverticulumBillable
- K31.5Obstruction of duodenumBillable
- K31.6Fistula of stomach and duodenumBillable
- K31.7Polyp of stomach and duodenumBillable
- K31.8Other specified diseases of stomach and duodenumHeader
- K31.81Angiodysplasia of stomach and duodenumHeader
- K31.811Angiodysplasia of stomach and duodenum with bleedingBillable
- K31.819Angiodysplasia of stomach and duodenum without bleedingBillable
- K31.82Dieulafoy lesion (hemorrhagic) of stomach and duodenumBillable
- K31.83AchlorhydriaBillable
- K31.84GastroparesisBillable
- K31.89Other diseases of stomach and duodenumBillable
- K31.9Disease of stomach and duodenum, unspecifiedBillable
- K31.AGastric intestinal metaplasiaHeader
- K31.A0Gastric intestinal metaplasia, unspecifiedBillable
- K31.A1Gastric intestinal metaplasia without dysplasiaHeader
- K31.A11Gastric intestinal metaplasia without dysplasia, involving the antrumBillable
- K31.A12Gastric intestinal metaplasia without dysplasia, involving the body (corpus)Billable
- K31.A13Gastric intestinal metaplasia without dysplasia, involving the fundusBillable
- K31.A14Gastric intestinal metaplasia without dysplasia, involving the cardiaBillable
- K31.A15Gastric intestinal metaplasia without dysplasia, involving multiple sitesBillable
- K31.A19Gastric intestinal metaplasia without dysplasia, unspecified siteBillable
- K31.A2Gastric intestinal metaplasia with dysplasiaHeader
- K31.A21Gastric intestinal metaplasia with low grade dysplasiaBillable
- K31.A22Gastric intestinal metaplasia with high grade dysplasiaBillable
- K31.A29Gastric intestinal metaplasia with dysplasia, unspecifiedBillable
- K31.BHypertrophic pyloric stenosis, in childhoodBillable
Excludes1
Excludes1 means these codes are not reported together.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From K31. A note on a category applies to every code under it.
Related conditions
Related pages
- K31.3 code detailsNotes, nearby codes, CMS-HCC group
- Category K31Every code under it
- Chapter 11Diseases of the digestive system
- 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?
The ICD-10-CM index points "Pylorospasm" to K31.3, Pylorospasm, not elsewhere classified. K31.3 is a billable code.
Is K31.3 billable?
Yes. K31.3 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to K31.3?
The CDC tabular list gives 3 Excludes1 notes (not coded together), 2 Excludes2 notes (may be coded together when both are documented) for K31.3 and the categories above it. They are listed on this page.
What chapter is K31.3 in?
Chapter 11. Diseases of the digestive system.
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.