-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, FsqbeOiT3/LyLXHBuQdDybOG+e8uNv7eU6UAU9l7LVxOpJ4I1fv1RsaffkqzcduX o9AoE3v6egE979eAKkqXuQ== 0000950117-05-004647.txt : 20051209 0000950117-05-004647.hdr.sgml : 20051209 20051208180016 ACCESSION NUMBER: 0000950117-05-004647 CONFORMED SUBMISSION TYPE: 15-15D PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20051209 DATE AS OF CHANGE: 20051208 EFFECTIVENESS DATE: 20051209 FILER: COMPANY DATA: COMPANY CONFORMED NAME: LABONE INC/ CENTRAL INDEX KEY: 0000830158 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-MEDICAL LABORATORIES [8071] IRS NUMBER: 431039532 STATE OF INCORPORATION: MO FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 15-15D SEC ACT: 1934 Act SEC FILE NUMBER: 333-118919 FILM NUMBER: 051253616 BUSINESS ADDRESS: STREET 1: 10101 RENNER BLVD STREET 2: P. O. BOX 7568 CITY: LENEXA STATE: KS ZIP: 66219 BUSINESS PHONE: 9138881770 MAIL ADDRESS: STREET 1: 10101 RENNER BLVD STREET 2: X CITY: LENEXA STATE: KS ZIP: 66219 FORMER COMPANY: FORMER CONFORMED NAME: LAB HOLDINGS INC DATE OF NAME CHANGE: 19980406 FORMER COMPANY: FORMER CONFORMED NAME: SEAFIELD CAPITAL CORP DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: SEAFIELD CAPTIAL CORP DATE OF NAME CHANGE: 19910520 15-15D 1 a40967.htm LABONE, INC.

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 15

Certification and Notice of Termination of Registration Under Section 12(g) of the Securities Exchange Act of 1934 or Suspension of Duty to File Reports Under Sections 13 and 15(d) of the Securities Exchange Act of 1934

Commission File Number: 000-16946

LabOne, Inc.

(Exact name of registrant as specified in its charter)

10101 Renner Boulevard, Lenexa, Kansas 66219 (913) 888-1770

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

3.50% Convertible Senior Debentures

(Title of each class of securities covered by this Form)

Not Applicable

(Title of all other classes of securities for which a duty to file reports
under Section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule
provision(s) relied upon to terminate or suspend the duty to file reports:

Rule 12g-4(a)(1)(i)	£	Rule 12h-3(b)(1)(i)	£
Rule 12g-4(a)(1)(ii)	£	Rule 12h-3(b)(1)(ii)	£
Rule 12g-4(a)(2)(i)	£	Rule 12h-3(b)(2)(i)	£
Rule 12g-4(a)(2)(ii)	£	Rule 12h-3(b)(2)(ii)	£
		Rule 15d-6	S

Approximate number of holders of record as of the certification or notice date: 1

Pursuant to the requirements of the Securities Exchange Act of 1934, LabOne, Inc. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.

Date: December 8, 2005	By:	/s/ Sirisha Gummaregula

		Name: Sirisha Gummaregula
		Title: Corporate Secretary

Instruction: This form is required by Rules 12g-4, 12h-3 and 15d-6 of the General Rules and Regulations under the Securities Exchange Act of 1934. The registrant shall file with the Commission three copies of Form 15, one of which shall be manually signed. It may be signed by an officer of the registrant, by counsel or by any other duly authorized person. The name and title of the person signing the form shall be typed or printed under the signature.

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