K20.9
⚠ Non-billable
Esophagitis, unspecified
ICD-10-CM · FY2026 · Diseases of the Digestive System
Code
K20.9
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 K20.9?
ICD-10-CM code K20.9 represents Esophagitis, unspecified. 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 K20.9 billable?
No. K20.9 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is K20.9 in?
K20.9 belongs to the Diseases of the Digestive System chapter (K00–K95) of ICD-10-CM.
Related codes in the K20 category
K20
Esophagitis
Non-billable
K20.0
Eosinophilic esophagitis
Billable
K20.8
Other esophagitis
Non-billable
K20.80
Other esophagitis without bleeding
Billable
K20.81
Other esophagitis with bleeding
Billable
K20.90
Esophagitis, unspecified without bleeding
Billable
K20.91
Esophagitis, unspecified with bleeding
Billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →