1. A. To assure that confidential records or information are protected, each reporting entity shall encrypt each of the following data elements in such a manner that each unique value for a data element produces an identical unique encrypted data element:

   1. (1) Patient or enrollee identifier; and
   2. (2) Internal subscriber contract number.

2. B. In order to maintain a consistent and unique identifier for each patient across providers, payors, and services, the Commission shall:

   1. (1) Provide selected data to the State-designed HIE for the creation and encryption of a Master Patient Index; and
   2. (2) Include Master Patient Index identifiers received from the State-designated HIE in each eligibility data report submitted under Regulation .11 of this chapter.
3. C. Each reporting entity shall maintain the security and preserve the confidentiality of the encrypted data.

Authority: Health-General Article, §§19-101, 19-103(c)(3), (4), (7), and (8), 19-109(a)(1), (6), and (7), 19-133, 19-134, and 19-137, Annotated Code of Maryland

Effective date: January 15, 1996 (23:1 Md. R. 26)

Regulation .06 amended effective October 7, 1996 (23:20 Md. R. 1423)

Regulation .10A amended effective October 7, 1996 (23:20 Md. R. 1423)

Chapter revised effective March 9, 1998 (25:5 Md. R. 369)

Regulation .01-1 amended effective October 18, 1999 (26:21 Md. R. 1629)

Regulation .02 amended effective October 18, 1999 (26:21 Md. R. 1629)

Regulation .06B, D, F amended effective October 18, 1999 (26:21 Md. R. 1629)

Regulation .07A amended effective October 18, 1999 (26:21 Md. R. 1629)

Regulation .10C amended effective October 18, 1999 (26:21 Md. R. 1629)

Regulation .11 amended effective October 18, 1999 (26:21 Md. R. 1629)

Regulation .12B, D amended effective October 18, 1999 (26:21 Md. R. 1629)

Regulation .13A, D amended effective October 18, 1999 (26:21 Md. R. 1629)

Regulations .01—.14 repealed and new Regulations .01—.14 adopted effective August 21, 2000 (27:16 Md. R. 1525)

Regulation .13 amended effective December 23, 2002 (29:25 Md. R. 1983)

Regulations .01—.14 repealed and new Regulations .01—.17 adopted effective April 19, 2010 (37:8 Md. R. 617)

Regulations .01—.17 repealed and new Regulations .01—.19 adopted as an emergency provision effective January 9, 2014 (41:3 Md. R. 200); adopted permanently effective March 17, 2014 (41:5 Md. R. 344)

Chapter revised effective October 18, 2021 (48:21 Md. R. 889)