<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM NATIONAL
DIAGNOSTICS, INC. FINANCIAL STATEMENTS FOR THE SIX MONTH PERIOD ENDING JUNE 30,
1996, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM 10-QSB FOR THE
QUARTERLY PERIOD ENDED JUNE 30, 1996.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                         133,680
<SECURITIES>                                         0
<RECEIVABLES>                                2,492,015
<ALLOWANCES>                                   417,000
<INVENTORY>                                          0
<CURRENT-ASSETS>                             2,377,679
<PP&E>                                       7,683,651
<DEPRECIATION>                               2,640,164
<TOTAL-ASSETS>                               8,175,815
<CURRENT-LIABILITIES>                        3,286,528
<BONDS>                                        293,439
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           675
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                 8,175,815
<SALES>                                              0
<TOTAL-REVENUES>                             4,524,760
<CGS>                                                0
<TOTAL-COSTS>                                2,192,411
<OTHER-EXPENSES>                             2,007,255
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             213,930
<INCOME-PRETAX>                                111,164
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            111,164
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   111,164
<EPS-PRIMARY>                                      .04
<EPS-DILUTED>                                        0