Free online searchable
2009 ICD-9-CM
Diseases and Injuries
>> Tabular
Index
>> Alphabetic
Index
Procedures
>> Tabular
Index
>>
Alphabetic Index
Appendices
>> Drugs
/ Chemicals
>> External Causes
Other Resources
>> HCPCS Alpha
>> Medical
Dictionary
>> Drug Directory
Tips
Contribute
| Embryo Research Human Embryo Research | Embryo Cell Research | Embryo Experimentation | Cell Research, Embryo | Embryo Experimentations | Embryo Research, Human | Experimentation, Embryo | Experimentations, Embryo | Research, Embryo | Research, Embryo Cell Experimentation on, or using the organs or tissues from, a human or other mammalian conceptus during the prenatal stage of development that is characterized by rapid morphological changes and the differentiation of basic structures. In humans, this includes the period from the time of fertilization to the end of the eighth week after fertilization. |