In the following sample GEM table, ICD-9-CM codes 649.50, 649.51, and 649.53 __________ ICD-10-CM codes

Sample ICD-9-CM to ICD-10-CM General Equivalence Mapping (GEM)
ICD-9-CM Diagnosis Code and Description ICD-10-CM Diagnosis Code and Description
003.21 Salmonella meningitis A02.21 Salmonella meningitis
010.90 Primary tuberculous infection, unspecified examination A15.7 Primary respiratory tuberculosis
010.91 Primary tuberculous infection, bacteriological/histological exam not done
010.92 Primary tuberculous infection, bacteriological/histological exam unknown (at present)
010.93 Primary tuberculous infection, tubercle bacilli found by microscopy
010.94 Primary tuberculous infection, tubercle bacilli found by bacterial culture
010.95 Primary tuberculous infection, tubercle bacilli confirmed histologically
010.96 Primary tuberculous infection, tubercle bacilli confirmed by other methods
205.01 Myeloid leukemia, acute, in remission C92.01 Acute myeloid leukemia, in remission
649.50 Spotting complicating pregnancy, unspecified episode of care O26.851 Spotting complicating pregnancy, first trimester
649.51 Spotting complicating pregnancy, delivered O26.852 Spotting complicating pregnancy, second trimester
649.53 Spotting complicating pregnancy, antepartum O26.853 Spotting complicating pregnancy, third trimester
O26.859 Spotting complicating pregnancy, unspecified trimester
a. cannot be mapped at all to
b. do not map exactly to
c. must be reported instead of
d. require the payer to select

b