Mayo Clinic Laboratories

Records, fax and other contacts

Find other published document channels. Confirm the department and purpose before sending any records.

fax other

Laboratory medical-record release

Official page read
Phone507-284-3050Fax

507-284-1759

Published email

rstmclroi@mayo.edu

Mayo Clinic Laboratories release-of-information questions

Published hours

Monday–Friday 8 a.m.–5 p.m. Central

Product, plan and location

Confirm the exact product or service
National contact — confirm product and location

Mailing address
Mayo Clinic Laboratories Attn: MLI P.O. Box 4100 Rochester, MN 55905

Laboratory records-release correspondence

Use the required authorization process. This is not the records address for every Mayo Clinic facility.

View source ↗ · Source checked 2026-10-22

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

Help the next office

How did your call go?

Share a structured call experience or flag a contact correction. Submissions are reviewed before publication. Patient details, recordings and documents do not belong here.

Share a call experience

Share a call experience

Suggest a contact correction

Suggest a correction

Call preparation · editorial guide

Make the call count.

Find other published document channels. Confirm the department and purpose before sending any records.

Have ready in your secure workspace

  • Recipient department and exact document request
  • Required release or authorization
  • Secure return contact and existing request reference

Questions to resolve

  • Is this the correct destination for this document type?
  • Is there a secure portal or required form?
  • How is receipt confirmed?

This is a general administrative checklist, not payer policy or advice about a particular patient. Confirm the current plan instructions.

For healthcare offices

Found the contact. Still need to make the call?

Explore how DialClerk organizes the brief, hold time and staff handoff for your next administrative call.

For the people making the calls

Put payer follow-up
on your office’s worklist.

Explore DialClerk for queued calls, hold handling, staff handoffs and a record of the next step. Tell us how your team works.

A request does not create an account or start a call. Use business contact information only. No patient information.

See how it could work for your practice