# text.div
This code system http://hl7.org/fhir/genomicstudy-changetype defines the following codes:

Code | Display | Definition
DNA | DNA change | Change that involves Deoxyribonucleic acid (DNA) sequences.
RNA | RNA change | Change that involves Ribonucleic Acid (RNA) sequences.
AA | Protein/amino Acids change | Change that involves Amino Acid (AA) or protein sequences.
CHR | Chromosomal changes | Change that involves number or strcture of chromosomes.
CNV | Copy number variations | Change that involves copy number variations among various genomes.

# description
The change type relevant to GenomicStudy analysis.

# concept[].definition
Change that involves Deoxyribonucleic acid (DNA) sequences.

# concept[].definition
Change that involves Ribonucleic Acid (RNA) sequences.

# concept[].definition
Change that involves Amino Acid (AA) or protein sequences.

# concept[].definition
Change that involves number or strcture of chromosomes.

# concept[].definition
Change that involves copy number variations among various genomes.