K31.89 – Other diseases of stomach and duodenum
ICD-10-CM 2027 diagnosis code · Diseases of esophagus, stomach and duodenum
ICD-10-CM code
K31.89
- Code
K31.89(claims format:K3189)- Description
- Other diseases of stomach and duodenum
- 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
- K31 › K31.8
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K31 – Other diseases of stomach and duodenum
Includes:
- functional disorders of stomach
Excludes2 (not included here):
Block K20-K31
Excludes2 (not included here):
- hiatus hernia (K44.-)
Index terms for K31.89
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Gastroliths
- Gastrospasm
- Hyperacidity
- Tachygastria
- Gastroptosis
- Megalogastria
- Gastromalacia
- Gastrostenosis
- Spasm, stomach
- Ptosis, gastric
- Ptosis, stomach
- Hypochlorhydria
- Achylia gastrica
- Gastrosuccorrhea
- Inertia, stomach
- Hyperchlorhydria
- Volvulus, stomach
- Fish hook stomach
- Retention, gastric
- Softening, stomach
- Rossbach's disease
- Hyperemia, stomach
- Stricture, stomach
- Hourglass, stomach
- Dilatation, stomach
Related codes in K31.8
Frequently asked questions
What is ICD-10 code K31.89?
K31.89 is the ICD-10-CM code for other diseases of stomach and duodenum, in the block K20-K31 (Diseases of esophagus, stomach and duodenum).
Is K31.89 a billable code?
Yes. K31.89 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K31.89 belong to?
It belongs to category K31 – Other diseases of stomach and duodenum.
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.