Centesis may be defined as the act of puncturing a body cavity or space with a hollow needle and drawing out fluid. Each centesis procedure involves both a puncture action and a needle aspiration action. It is correct to have two relationship groups for centesis procedures.
One group has a Method (attribute) of Puncture - action (qualifier value) and a Procedure site - Direct (attribute) of the structure being punctured.
A second group has a Method (attribute) of Aspiration - action (qualifier value) and a Procedure site - Indirect (attribute) of the space being aspirated.
For example,
- 91602002 |Thoracentesis (procedure)| has:
- Role group 1:
- Method = Puncture - action
- Procedure site - Direct (attribute) = Pleural membrane structure (body structure)
- Using device = Needle, device
- Role group 2:
- Method = Aspiration - action
- Procedure site - Indirect (attribute) = Pleural cavity structure (body structure)
- Using device = Needle, device
- Role group 1:
- 91602002 |Thoracentesis (procedure)| has:
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