D.C. Mun. Regs. tit. 17, § 2916
2916.1 The animal facility shall have as a minimum, proof of use of either in-house laboratory service or consultant lab services by a nationally accredited laboratory for performing the following lab tests consistent with appropriate professional care for the species treated:
(a) Urinalysis, including microscopic evaluation of sediment;
(b) Complete blood count (CBC);
(c) Flotation test for ova of intestinal parasites;
(d) Skin scrapings for diagnosing external parasites;
(e) Exam for circulating blood microfilaria;
(f) Blood chemistries;
(g) Cultures and sensitivities;
(h) Biopsy;
(i) Complete necropsies including histopathology; and
(j) Serology.
2916.2 If in-house laboratory machines are utilized, schedules of maintenance and appropriate calibration to accepted standards are required along with appropriate quality control practices.
SOURCE: Final Rulemaking published at 35 DCR 6630, 6642 (September 2, 1988).