Middle Name

Field Length: 10

Coding Instructions

1. Truncate middle name if longer than 40 characters

2. Blank spaces, hyphens, and apostrophes are allowed; do not use other punctuation

3. Record the middle initial if the full middle name is not known

4. Leave blank if the patient’s middle name is unknown or patient has no middle name

5. Record the most current name and update this data item if the middle name changes.