(Adds estimates, forecast, unit revenues)
Oct 25 (Reuters) - Laboratory Corp of America Holdings reported a higher-than-expected quarterly profit on Wednesday, and raised its full-year revenue growth forecast, as demand for its diagnostic services increased.
Revenue from its diagnostic services, the company's biggest business, increased 10 percent to $1.84 billion, despite the impact of hurricanes in the quarter, the company said.
LabCorp's Covance unit, which carries out trials for drugmakers, raked in revenue of $761.1 million, an increase of 8.6 percent from a year earlier.
The company raised its full-year forecast for net revenue growth to 8-8.5 percent from 5-6.5 percent.
LabCorp also raised the bottom end of its adjusted earnings forecast range to $9.40 from $9.30, but lowered the top end to $9.60 from $9.65.
Net earnings attributable to LabCorp rose to $180.6 million, or $1.74 per share, in the third quarter ended Sept. 30, from $179.5 million, or $1.71 per share, a year ago.
Net revenue rose 10 percent to $2.66 billion.
The company earned $2.46 per share, excluding items. Analysts on average had estimated earnings per share of $2.40, according to Thomson Reuters I/B/E/S.
(Reporting by Manas Mishra in Bengaluru; Editing by Martina D'Couto)