Box 3b - Medical Record Number

Updated February 21, 2025 18:41

Box Definition

Box 3b on the UB-04 claim form displays the patient's Medical Record Number.

In Kipu RCM

This box is generated when the patient's Medical Record Number (MRN) is set in the Patient Profile section of the treatment episode. For more information on editing this field, click here.

Changes to the Medical Record Number made after submitting the claim will not produce corrections. A forced correction or resubmission will be necessary to update the claim.

EDI Loop and Segment

Loop 2300, Segment REF/EA/02. For additional information on loops and segments, click here.

Box 3b - Medical Record Number

Box Definition

In Kipu RCM

EDI Loop and Segment

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