The Secretary adopts the following code sets, terminology, and nomenclature as the vocabulary standards for the purpose of representing electronic health information:
(a) Problems. (1) [Reserved]
(1) [Reserved]
(2) [Reserved]
(3) Standard. IHTSDO SNOMED CT[supreg] International Release July 2012 (incorporated by reference in Sec. 170.299) and US Extension to SNOMED CT[supreg] March 2012 Release (incorporated by reference in Sec. 170.299).
(b) Procedures. (1) [Reserved]
(1) [Reserved]
(2) Standard. The code set specified at 45 CFR 162.1002(a)(5).
(3) Standard. The code set specified at 45 CFR 162.1002(a)(4).
(4) Standard. The code set specified at 45 CFR 162.1002(c)(3) for the indicated procedures or other actions taken.
(c) Laboratory tests. (1) [Reserved]
(1) [Reserved]
(2) Standard. Logical Observation Identifiers Names and Codes (LOINC[supreg]) Database version 2.40, a universal code system for identifying laboratory and clinical observations produced by the Regenstrief Institute, Inc. (incorporated by reference in Sec. 170.299).
(d) Medications. (1) [Reserved]
(1) [Reserved]
(2) Standard. RxNorm, a standardized nomenclature for clinical drugs produced by the United States National Library of Medicine, August 6, 2012 Release (incorporated by reference in Sec. 170.299).
(e) Immunizations. (1) [Reserved]
(1) [Reserved]
(2) Standard. HL7 Standard Code Set CVX--Vaccines Administered, updates through July 11, 2012 (incorporated by reference in Sec. 170.299).
(f) Race and Ethnicity. Standard. The Office of Management and Budget Standards for Maintaining, Collecting, and Presenting Federal Data on Race and Ethnicity, Statistical Policy Directive No. 15, as revised, October 30, 1997 (see ``Revisions to the Standards for the Classification of Federal Data on Race and Ethnicity,'' available at http://www.whitehouse.gov/ omb/fedreg_1997standards).
(g) Preferred language. Standard. As specified by the Library of Congress, ISO 639-2 alpha-3 codes limited to those that also have a corresponding alpha-2 code in ISO 639-1. (incorporated by reference in Sec. 170.299).
(h) Smoking status. Standard. Smoking status must be coded in one of the following SNOMED CT[supreg] codes:
(1) Current every day smoker. 449868002
(2) Current some day smoker. 428041000124106
(3) Former smoker. 8517006
(4) Never smoker. 266919005
(5) Smoker, current status unknown. 77176002
(6) Unknown if ever smoked. 266927001
(7) Heavy tobacco smoker. 428071000124103
(8) Light tobacco smoker. 428061000124105
(i) Encounter diagnoses. Standard. The code set specified at 45 CFR 162.1002(c)(2) for the indicated conditions.
(j) Family health history. HL7 Version 3 Standard: Clinical Genomics; Pedigree, (incorporated by reference in Sec. 170.299). [75 FR 44649, July 28, 2010, as amended at 77 FR 54284, Sept. 4, 2012; 79 FR 54478, Sept. 11, 2014]