Douglas VanOort
Analyst · Griffin Securities
Thank you, Steve. I'll begin our call today with some brief remarks about our results for the second quarter and then comment on a variety of ongoing and upcoming initiatives that support our strategies of volume growth and operating productivity. I'll then turn the meeting back over to Steve to discuss our financial results in more detail.
NeoGenomics performed very well in the second quarter. Revenue continued to show strong year-over-year gains. Service levels remained outstanding. Productivity improvements were very strong, and we generated solid incremental earnings despite making significant investments in future growth initiatives. Revenue for the second quarter was a record $15.6 million, an increase of $5.1 million or 49% compared with last year's second quarter.
Test volume grew 57% compared with last year's second quarter, driven by strong growth in our core business and by significant expansion of molecular and immunohistochemistry testing. As you know, our test volumes grew rather dramatically from quarter 1 of last year through quarter 1 of this year, averaging a sequential growth rate of almost 17% over each of those 4 quarters. We expected sequential growth to slow in the second quarter of this year as a result of redirecting our sales force to prepare for the TC Grandfather issue and to normal seasonal patterns. Overall, we're pleased with our 9% sequential growth versus quarter 1.
Our operations generated significantly more EBITDA than ever, with adjusted EBITDA of $1.9 million in the second quarter compared with $500,000 in Quarter 2 of last year. Bottom line, we earned $0.01 a share as productivity improvements drove solid incremental earnings despite the significant growth investments we made.
I'd like to comment now on the results from some of our growth initiatives. Volumes grew over last year in all types of testing we performed. Expansions into molecular and immunohistochemistry are paying off as volumes of both tests doubled over last year driven by strong demand, the introduction of 20 new molecular tests and over 60 new IHC antibodies added over the last several months. The expansion of our service offerings, many at the request of customers, has also driven the growth of our longtime offerings like cytogenetics and FISH, allowing both to grow more than 50% year-over-year. Our expanded test offerings are helping us attract new customers and allowing us to offer more to our existing customers.
Molecular testing has been an area of focused investment for us. In recent months, we have added many talented scientists and technologists and refocused our efforts under the able direction of Dr. Maher Albitar, our Chief Medical Officer. As a result of these investments, we are rapidly developing one of the most advanced molecular labs in America. We announced yesterday that we expect to launch yet another 15 to 20 molecular assays by year-end, and we are just starting to roll out our new NeoTYPE Cancer Profile Panels. We believe, there's an urgent need for these types of panels to more fully inform which therapeutics may be most effective for patients. These panels will use a combination of testing modalities and are expected to be reimbursed at a relatively high level as they provide even greater value to our health care system.
We also continue to invest heavily in immunohistochemistry. In addition to adding more than 60 new IHC antibodies over the last several months, we recently launched a new advanced digital image analysis product that we offer on both a global and technical-only service basis. Our drive for excellence in each of our laboratories also included investments in flow cytometry, where we have been transitioning to a more advanced 10-color instrumentation. In June, we began offering 10-color flow as a global service, and we are now beginning to introduce 10-color flow cytometry also on a technical-only basis. As one of the first labs in the United States to offer 10-color flow cytometry, we expect this more advanced platform to be well received by our clients.
We're also leveraging the powerful support vector machine technology we licensed from Health Discovery Corp. to increase the performance characteristics of existing tests, develop new tests and increase the internal productivity of our testing. We remain very excited about these development efforts and initiatives and expect to begin launching the first products using this new technology later this year.
These variety of investments and growth initiatives are designed to expand our service offerings and keep us at the leading edge of technology. We also believe that it will serve to increase the stickiness of our client relationships even further and enable NeoGenomics to become a comprehensive one-stop shop for all our clients' cancer testing needs and help us continue to drive revenue growth in the second half of 2012 and into 2013.
I have a few brief remarks to make regarding our operations. Our service levels continued to be excellent in quarter 2. In fact, based in our process measurements, we experienced the best operational performance ever in the second quarter. And we continue to focus on improving our processes. We have best practice teams working to improve our core processes and reduce our laboratory testing costs. And while investments in laboratory technology, information technology and operational excellence have affected costs in the short term, we fully expect these investments will allow us to continue to increase productivity and reduce cost in coming quarters. In fact, our laboratory productivity has never been higher. With volume up about 25% since the beginning of the year, our total employee count is up only about 12%.
During the first half of this year, the number of tests processed per lab employee has increased by over 15% compared with the end of last year, and the average cost per test has decreased by 9%. Those gains helped us to improve our gross margins from 44.5% to 47.2% in the quarter. And productivity gains helped us to translate almost 30% of our incremental revenue growth to incremental adjusted EBITDA.
We expect to gain additional productivity and operating efficiency as the year progresses. For example, we are now just implementing bar coding and scanning technology in our lab operations. This initiative will allow us to streamline processes by identifying and correcting operational bottlenecks and will accelerate our efforts to become a lean laboratory.
The combination of volume growth and process improvements is already having an impact. As we announced this morning, both our molecular and IHC labs turned profitable in the second quarter. In the future, we expect these laboratories will start to contribute to our gross margin and overall profitability.
I'd like to give you a brief update now on the TC Grandfather situation. During our last conference call, I commented extensively on the TC Grandfather Clause expiration and the impact it might have on our company and industry. Since then, we have worked hard to take a leadership role in Washington, with our hospital clients and within our industry to educate, prepare for and potentially extend this legislation on a permanent basis. Although this has been a time-consuming effort for our management and sales teams, I believe we have done a very good job helping our clients understand and prepare for the impacts. As a positive consequence of this situation, we are now better positioned to execute a more disciplined pricing strategy and more productive client relationships. It has been truly gratifying to see and hear how loyal and thankful our hospital clients have been for our help in this process.
We are still expecting a 5% to 8% decrease in our overall average unit price test per test beginning in the third quarter. And we still believe that we can absorb this price reduction over the next few quarters as we continue to drive increases in productivity and operating efficiency.
As we look ahead, we believe that this industry remains an exciting place to be. Industry dynamics are changing at a rapid pace and we are positioning ourselves to take advantage of these changes. As hospitals, pathology groups and competitors reposition themselves in this changing marketplace, NeoGenomics' strategies and goals are clear and consistent: We want to be the leader in cancer genetic testing. Right now, we believe our key laboratory disciplines in cytogenetics, FISH, flow cytometry and molecular testing are among the very best in America, and we continue to invest to make them even better.
I'll summarize my remarks in the following way: All in all, we were pleased with the company's performance in quarter 2. We're making excellent progress in building and developing our company through investments in a variety of initiatives that will drive further growth and productivity. We remain very pleased and proud of our company's quality and service levels and of our people. And as a team, we continue to be excited about our company, our prospects, and we are intensely focused on continuing the growth momentum in the coming quarters.
So now, I'll turn it over to Steve to comment more fully on our financial results.