Possible service in all of the following:

Payne, Richard T.: Private, Company D, 7th Virginia Cavalry
This man is not on the muster rolls.
POW records indicate that he was from Frederick County, Va.
Appears on roll of prisoners at Camp Chase, Ohio -- Roll: M598_36
Appears on roll of prisiners at Antheneum Prison: Recieved from Wheeling West Va. Roll: M598_25
Captured in Frederick County, Va. on Jan 1, 1863.
Age: 35
Height: 5' 10 1/2"
Grey eyes, Black hair, dark complexion
See: http://www.worldcat.org/oclc/27344260&referer=brief_results
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Payne, Richard T.: Private, Companies F & H, 18th Virginia Cavalry
Some men in Company F were transferred from Company D, 33rd Va. Infantry. [See below]
See: http://www.worldcat.org/oclc/12483831&referer=brief_results

Payne, Richard T.: Sergeant, Company D, 33rd Virginia Infantry
This company was raised in Frederick County, Va.
See: http://www.worldcat.org/oclc/15989309&referer=brief_results
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Was he from Frederick County, Va.??
Only one Richard Payne was enumerated on the 1860 Census of Frederick County.
Richard T. Payne, age 32, cooper, born Va.
Sarah A. Payne, age 35
Francus E. Payne (male) age 9
Mary E. Payne, age 6
Clara B. Payne, age 5 months
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Ancestry.com files indicate:
Richard Thornton Payne
Born: 28 Mar 1828, Loudoun, Virginia
Died: 18 Dec 1898, Red Cloud, [county], Nebraska
Spouse: Sarah Ann Scrivner