K29.40 – Chronic atrophic gastritis without bleeding

ICD-10-CM 2027 diagnosis code · Diseases of esophagus, stomach and duodenum

Billable code

ICD-10-CM code K29.40
Code
K29.40 (claims format: K2940)
Description
Chronic atrophic gastritis without bleeding
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
11. Diseases of the digestive system (K00-K95)
Block
K20-K31 Diseases of esophagus, stomach and duodenum
Parent codes
K29 › K29.4

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K29 – Gastritis and duodenitis

Excludes1 (not coded here):
  • eosinophilic gastritis or gastroenteritis (K52.81)
  • Zollinger-Ellison syndrome (E16.4)

K29.4 – Chronic atrophic gastritis

Applicable to:
  • Gastric atrophy

Block K20-K31

Excludes2 (not included here):
  • hiatus hernia (K44.-)

Index terms for K29.40

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in K29.4

Frequently asked questions

What is ICD-10 code K29.40?

K29.40 is the ICD-10-CM code for chronic atrophic gastritis without bleeding, in the block K20-K31 (Diseases of esophagus, stomach and duodenum).

Is K29.40 a billable code?

Yes. K29.40 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K29.40 belong to?

It belongs to category K29 – Gastritis and duodenitis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.