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Current textSource: eCFR

§ 40.183 What information do laboratories report to MROs regarding split specimen results?

Current wording, in the annual edition revised as of Oct. 1, 2008.

eCFR (current) ↗
What changedOct. 1, 2001 wording → Oct. 1, 2008 wording (current)+42 added−72 removedHide

(a) As the laboratory responsible for testing the split specimen, you must report split specimen test results by checking the “Reconfirmed” box and/or the “Failed to Reconfirm” box (Step 5(b)) on Copy 1 of the CCF.
(b) If you check the “Failed to Reconfirm” box, one of the following statements must be included (as appropriate), onand theby “Reason”providing lineclarifying (Stepremarks 5(b)):
(1)using “Drug(s)/Drugcurrent Metabolite(s)HHS NotMandatory Detected.”
(2)Guidelines “Adulterant not found within criteriarequirements.”
(3b) “SpecimenAs notthe consistentlaboratory withcertifying substitutionscientist, criteriaenter [specifyyour creatininename, specific gravitysign, orand both]”
(4)date “Specimenthe not available for testingCCF.”
(c)[65 AsFR the79526, laboratoryDec. certifying19, scientist2000, enteras youramended name,at sign,73 andFR date35972, theJune CCF.25, 2008]

49 CFR § 40.183 — What information do laboratories report to MROs regarding split specimen results?. Text current through October 15, 2026. This wording effective October 1, 2008 to present. Source: eCFR (current), https://www.ecfr.gov/current/title-49/section-40.183. Retrieved from FMCSR.com, https://fmcsr.com/reg/40.183, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) As the laboratory responsible for testing the split specimen, you must report split specimen test results by checking the “Reconfirmed” box and/or the “Failed to Reconfirm” box (Step 5(b)) on Copy 1 of the CCF, as appropriate, and by providing clarifying remarks using current HHS Mandatory Guidelines requirements.

(b) As the laboratory certifying scientist, enter your name, sign, and date the CCF.

[65 FR 79526, Dec. 19, 2000, as amended at 73 FR 35972, June 25, 2008]

Amendment history

2 distinct wordings on file since Oct. 1, 2001
  1. Oct. 1, 2008 → presentannual editions 2008–2016diff vs. previousviewing
    [65 FR 79526, Dec. 19, 2000, as amended at 73 FR 35972, June 25, 2008]
  2. Oct. 1, 2001 → Oct. 1, 2008annual editions 2001–2007

A new entry appears whenever the regulatory words change between government snapshots. Day-precise from the eCFR (2017 onward); before that, one snapshot per annual CFR edition (revised as of October 1). Bracketed citations are the Federal Register history printed with the section. Set a case date in the header to read any earlier wording.