K29.8
⚠ Non-billable
Duodenitis
ICD-10-CM · FY2026 · Diseases of the Digestive System
Code
K29.8
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Digestive System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code K29.8?
ICD-10-CM code K29.8 represents Duodenitis. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Digestive System chapter, effective October 1, 2025 – September 30, 2026.
Is K29.8 billable?
No. K29.8 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is K29.8 in?
K29.8 belongs to the Diseases of the Digestive System chapter (K00–K95) of ICD-10-CM.
Related codes in the K29 category
K29
Gastritis and duodenitis
Non-billable
K29.0
Acute gastritis
Non-billable
K29.2
Alcoholic gastritis
Non-billable
K29.3
Chronic superficial gastritis
Non-billable
K29.4
Chronic atrophic gastritis
Non-billable
K29.5
Unspecified chronic gastritis
Non-billable
K29.6
Other gastritis
Non-billable
K29.7
Gastritis, unspecified
Non-billable
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