Community Health Index (CHI) Number
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Community Health Index (CHI) Number
Date of Birth
Ethnic Group
First Forename/Initial
GMC No of Referring Doctor/Dentist/Nurse/Allied Healthcare Professional
General Practitioner Practice Code (GPPC)
Marital Status
NHS Number
Patient Health Record Identifier - Health Records System Identifier
Patient Health Record Identifier - Patient Identifier
Previous Surname
Second Forename/Initial
Sex (Gender)
Surname
Unique Care Pathway Number (UCPN)
Name: CHI/CI Number
Number of characters: 10
Priority: Optional
| Number | Description | Error / Option code |
|---|---|---|
| 1 | CHI/CI Number should be present Query Message: CHI/CI is missing Flag: CHI/CI Number |
Q0310 |
| 2 | If present, CHI/CI Number must be numeric Error Message: CHI/CI Number Invalid Format Flag: CHI/CI Number |
E0814 |
| 3 | The final digit is a Modulus 11 check digit Error Message: CHI/CI Number Invalid Format Flag: CHI/CI Number |
E0814 |
| 4 | The first 6 digits should correspond to the patient's date of birth in DDMMYY format Query Message: CHI/CI Number: First 6 digits do not correspond to Date of Birth (DDMMYY format) Flag: CHI/CI Number, Date of Birth |
Q0306 |
| 5 | The 9th character should be numeric and: a) an odd number if Sex = 1 b) an even number if Sex = 2 Query Message: CHI/CI Number: 9th digit unlikely for male/female Flag: CHI/CI Number, Sex |
Q0308 |
Cross Checks: none.








