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ABIM will be closed from 1:00 p.m. Friday, 5/24/24 through Monday, 5/27/24 Expand/Collapse the ABIM alert.

Our offices will re-open on Tue., 5/28/24 at 8:30 a.m. ET. For your convenience, you may contact us by email at request@abim.org.

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Nephrology Maintenance of Certification Assessments

Nephrology MOC Exam Dates

Traditional MOC Exam Dates

You may schedule an appointment within the time frames listed below. After registering you will be prompted to select a specific appointment time to begin on exam day.

For assessment dates that are offered to candidates who have a documented disability that requires a special testing schedule, please see the Special Accommodation dates below.

MOC Exam Date Options Registration Dates
Spring 2024: May 2, 2024 Dec. 1, 2023 through Feb. 28, 2024
Fall 2024: Nov. 14, 2024 Dec. 1, 2023 through Aug. 15, 2024
Spring 2025: Apr. 22, 2025 Dec. 1, 2024 through Feb. 28, 2025
Fall 2025: Oct. 23, 2025 Dec. 1, 2024 through Aug. 15, 2025

Longitudinal Knowledge Assessment (LKA®) Quarterly Question Schedule (with deadlines)

Enrollment for the LKA opens 12/1/23 and closes 6/30/24. 

Quarter Opens Closes 
1 1/1  3/31 at 11:59 p.m. ET
2 4/1 6/30 at 11:59 p.m. ET
3 7/1 9/30 at 11:59 p.m. ET
4 10/1 12/31 at 11:59 p.m. ET

NOTE: If you are planning to participate in the LKA, it is a good idea to start early so you don’t miss any questions. Questions expire at the end of each quarter and you can’t go back to answer them later. Any unopened questions will count against the 100 you can choose not to open over 5 years.

Special Accommodation Traditional MOC Exam Dates*

MOC Exam Date Options Registration Dates
Spring 2024: May 6-10, 2024 Dec. 1, 2023 through Feb. 28, 2024
Fall 2024: Nov. 18-22, 2024 Dec. 1, 2023 through Aug. 15, 2024
Spring 2025: May 5-9, 2025 Dec. 1, 2024 through Feb. 28, 2025
Fall 2025: Oct. 27-31, 2025 Dec. 1, 2024 through Aug. 15, 2025
* These exam dates are only offered to candidates who have a documented disability requiring a special testing schedule, as provided under the Americans with Disabilities Act. Please see the ABIM policy on Testing Accommodations for Exam Takers with Disabilities.


Important Notes

  • All deadlines are as of 11:59 p.m. ET (Eastern time) on the dates listed above.
  • All dates are subject to change.
  • Read more about how to Change or Cancel an Exam
  • Cancellation deadline is two (2) days prior to scheduled examination date. (Example: For exams scheduled May 17, the cancellation deadline would be 11:59 p.m. ET on May 15.)
  • It is the sole responsibility of the candidate to be aware of and comply with seat scheduling deadlines. In fairness to all candidates, ABIM adheres firmly to its published seat scheduling deadlines for its examinations. Candidates are encouraged to apply early in the seat scheduling period.
  • Exam results Detailed score reports will be released within one to three months of the exam date.