What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).
When is it used?
- May be used when a clinician documents ulcer of esophagus in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
- This entry may represent a broader category rather than the most specific billable code.
Code hierarchy
chapter
11Diseases of the digestive system (K00-K95)
block
K20-K31Diseases of esophagus, stomach and duodenum
category
K22Other diseases of esophagus
currentK22
Official coding notes
Inclusion terms
- Barrett's ulcer
- Erosion of esophagus
- Fungal ulcer of esophagus
- Peptic ulcer of esophagus
- Ulcer of esophagus due to ingestion of chemicals
- Ulcer of esophagus due to ingestion of drugs and medicaments
- Ulcerative esophagitis
Applicable to
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
- poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)
Excludes1 (do not code together)
- Barrett's esophagus (K22.7-)
Code first
- poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)
Use additional code
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
GastroenterologistGeneral Physician
Related codes
Sibling codes
K22.0Achalasia of cardiabillableK22.2Esophageal obstructionbillableK22.3Perforation of esophagusbillableK22.4Dyskinesia of esophagusbillableK22.5Diverticulum of esophagus, acquiredbillableK22.6Gastro-esophageal laceration-hemorrhage syndromebillableK22.7Barrett's esophagusK22.8Other specified diseases of esophagusK22.9Disease of esophagus, unspecifiedbillable
Mapped diagnoses and classifications
SNOMED_CT 235610009high
Bacterial ulcer of esophagus
Source: SNOMED International ICD-10 map
SNOMED_CT 196609006high
Barrett's ulcer of oesophagus
Source: SNOMED International ICD-10 map
SNOMED_CT 57748001high
Bleeding ulcer of esophagus
Source: SNOMED International ICD-10 map
SNOMED_CT 738792004high
Cushing ulcer of esophagus
Source: SNOMED International ICD-10 map
SNOMED_CT 235608007high
Eosinophilic ulcer of esophagus
Source: SNOMED International ICD-10 map
SNOMED_CT 40719004high
Erosive esophagitis
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
K22.1
Replacement codes
K22.10 — Ulcer of esophagus without bleedingK22.11 — Ulcer of esophagus with bleeding
Common synonyms
Ulcer of esophagus
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.