K29.3 – Chronic superficial gastritis

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

Non-billable header

ICD-10-CM code K29.3
Code
K29.3 (claims format: K293)
Description
Chronic superficial gastritis
Billable
No – use a more specific code below
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

Billable codes under K29.3

K29.3 is a header code and cannot be used on claims. Choose the most specific code:

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)

Block K20-K31

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

Related codes in K29

Frequently asked questions

What is ICD-10 code K29.3?

K29.3 is the ICD-10-CM code for chronic superficial gastritis, in the block K20-K31 (Diseases of esophagus, stomach and duodenum).

Is K29.3 a billable code?

No. K29.3 is a header code with more specific child codes; report one of the billable codes listed above.

What category does K29.3 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.