| Format/Length: | an2 | 
| HES Item: | |
| National Codes: | |
| Default Codes: | 
Notes:
DIAGNOSIS SCHEME IN USE is used in the Clinical Information Group of the Commissioning Data Set to denote the code scheme basis of the Diagnosis.
Permitted National Codes:
| 01 | Accident & Emergency Diagnosis | 
| 02 | ICD-10 | 
| 03 | Read Code 4Byte Version (retired 1 October 2009) | 
| 04 | Read Code Version 2 | 
| 05 | Read Code Clinical Terms Version 3 (CTV3) | 
Read Code Clinical Terms Version 3 (CTV3) with qualifiers (previously known as 3.1) is not supported in the Commissioning Data Sets.
CDS-XML Message:
The codes specified above must be used in Commissioning Data Set - XML messages.
This data element is also known by these names:
| Context | Alias | 
|---|---|
| plural | DIAGNOSIS SCHEMES IN USE | 

