We initiate exposure testing for TB for anyone in shared airspace with a patient w/ infectious TB.  We do not have any minimum time requirement.  Best, Tim

Tim Crump, MSN, FNP

Tim Crump, MSN, FNP

He/Him/They/Them

Family Nurse Practitioner

Multnomah Pavilion (Second Floor, SW Wing), 3161 SW Pavilion Loop

Occupational Health

Healthcare Human Resources

From: MCOH-EH <mcoh-eh-bounces@mylist.net> On Behalf Of Giovannetti, Mary
Sent: Tuesday, September 9, 2025 5:26 AM
To: mcoh-eh@mylist.net
Subject: [EXTERNAL] [MCOH-EH] TB Exposures

Good morning,

Dr. Thannasi delivered an excellent presentation on TB exposures last week. During the session, we discussed a case involving someone who converted after just a 10-minute unprotected exposure to a smear-positive patient. This has prompted me to revisit our current policy regarding post-exposure testing and the amount of time exposed.

I’d appreciate learning more about your current guidelines:

• How do you determine the threshold for TB exposure duration?
• When do you initiate testing following an unprotected exposure?

Mary C Giovannetti, DNP, APRN, FNP

Director/Nurse Practitioner| Employee Health

Physician's Center, -100 East Wood St., Suite 204 | Spartanburg, SC 29303

o: 864-560-6514 c: 864-497-4087 | f: 864-560-6509  

e: mgiovannetti@srhs.com | w: SpartanburgRegional.com

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