Korean Disease Code (KCD) Lookup
Look up the Korean disease codes used on Korean medical certificates and insurance claims. The list is the Health Insurance Review & Assessment Service (HIRA) disease master file (September 2025), based on the Korean Standard Classification of Diseases (KCD), with 21,299 codes. Each result shows the Korean and English names, whether it is a complete code, whether it can be a main diagnosis, sex and age limits, and the notifiable disease class. The data file is downloaded once and your searches stay in the browser.
Loading the tool...
When to use it
Find out what a code on a Korean document means
Type a code such as J06.9 (or J069 without the dot) to see the Korean and English names.
Find the code for a condition
Type an English name such as hypertension or a Korean name to list matching codes.
Check whether a code can be claimed
Incomplete codes and codes that cannot be a main diagnosis are marked. Tick "Complete codes only" to show only claimable subcodes.
How to use
- Type a code or a disease name in the search box.
- Read the code, names and claim notes in the results table.
- Press "Copy" to copy a code.
Data and labels
- Data: Korea Public Data Portal dataset "건강보험심사평가원_상병마스터_20250930" (47,798 rows, 21,299 codes). License: KOGL Type 1 (attribution), checked October 24, 2026.
- Complete code: Codes marked incomplete have more detailed subcodes, which should be used for claims.
- Main diagnosis: Codes the data marks as not usable as a main diagnosis are labelled.
- Limits: This is a reference lookup. It does not replace clinical or claims judgement; check HIRA's latest data before filing.
Frequently asked questions
What is KCD?
The Korean Standard Classification of Diseases, maintained by Statistics Korea. HIRA adds health insurance claim fields to it in this master list.
Can I search without the dot?
Yes. J06.9, J069 and j06 9 all find the same code. Entering the first part lists all codes under it.
Can this data be used commercially?
The Public Data Portal lists this dataset under KOGL Type 1, which allows commercial use and changes with attribution. The attribution is shown on this page.
Are my searches sent anywhere?
No. After the data file is downloaded once, searching happens in your browser.
Last checked: October 24, 2026 · Dagochim team