FORM 5

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

    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
    Form 3 Holdings Reported
    Form 4 Transactions Reported

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB Number: 3235-0362
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Filed By
Romeo and Dye's
Section 16 Filer
www.section16.net

1. Name and Address of Reporting Person*

Mussatto, James J.

2. Issuer Name and Ticker or Trading Symbol
LabOne, Inc. (LABS)

6. Relationship of Reporting Person(s)
to Issuer (Check all applicable)
    Director                                       10% Owner
X Officer (give title below)          Other (specify below)

Executive Vice President, Health Care & Substance Abuse Testing

(Last)      (First)     (Middle)

10101 Renner Blvd.
 

3. I.R.S. Identification Number
of Reporting Person,
if an entity (voluntary)

(Street)

Lenexa, KS 66219

(City)     (State)     (Zip)

Table I — Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1. Title of Security
(Instr. 3)

2. Trans-
action
Date
(Month/ Day/
Year)

2A. Deemed
Execution
Date,
if any
(Month/Day/
Year)

3. Trans-
action Code
(Instr. 8)

4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 & 5)

5. Amount of
Securities
Beneficially
Owned at End of Issuer's
Fiscal year
(Instr. 3 & 4)

6. Owner-
ship Form:
Direct (D)
or Indirect (I)
(Instr. 4)

7. Nature of Indirect
Beneficial Ownership
(Instr. 4)

Amount

(A)
or
(D)

Price

Common Stock

92

A

92⁽¹⁾

I

By 401(k) plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security

(Instr. 3)

2. Conver-
sion or
Exercise
Price of Derivative Security

3. Trans-
action Date

(Month/
Day/
Year)

4. Trans-
action
Code

(Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D)

(Instr. 3, 4 & 5)

6. Date Exercisable
and Expiration
Date
(Month/Day/
Year)

7. Title and Amount of Underlying Securities
(Instr. 3 & 4)

8. Price of Derivative Security
(Instr. 5)

9. Number of
Derivative
Securities
Beneficially
Owned
at End of Year
(Instr. 4)

10. Owner-
ship Form
of Deriv-
ative
Security:
Direct (D)
or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

(A)

(D)

Date Exer-cisable

Expira-
tion
Date

Title

Amount or Number of
Shares

Employee Stock Option (right to buy)

$15.825

02/27/02

A

40,000

02/27/07⁽¹⁾⁽²⁾

02/27/12

Common Stock

40,000

40,000

D

Explanation of Responses:

(1) Between October 1, 2001 and December 31, 2002, the reporting person acquired 92 shares of common stock under the LabOne Profit Sharing 401(k) plan at an average purchase price of $18.68 per share. The information in this report is basd on a plan statement dated as of December 31, 2002.
(2) The option vests in five equal annual installments beginning on February 27,2003

**Intentional misstatements or omissions of facts constitute Federal Criminal Violations.
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed.
          If space is insufficient, See Instruction 6 for procedure.

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