Division and lysis
Division - action (qualifier value) is a subtype of Incision - action (qualifier value). This does not mean that all procedures, that include the word division, should necessarily be modeled with Method (attribute) of Division - action (qualifier value), like those where the division is accomplished using blunt dissection, not incision.
For example,
- Division of adhesion concepts, like 173269002 |Division of adhesions of lip (procedure)|, should be modeled the same as lysis of adhesion concepts, like 45602008 |Lysis of adhesions of peritoneum (procedure)|
Both use Dissection - action (qualifier value). Adhesions are broken down by blunt dissection, often without incising them. This does not exclude procedures that may also involve division by incision.
The preferred name of division of adhesions concepts can be changed to lysis of adhesions for consistency. The use of lysis of adhesions also helps with correct modeling and avoidance of interpreting divisions as necessarily being kinds of incision.
Transection and bisection
Transection is defined as a division across the longitudinal axis of a structure by cutting. Bisection is defined as division into two parts by cutting. Transection - action (qualifier value) is a subtype of Bisection - action (qualifier value), which is a subtype of Division - action (qualifier value) and Incision - action (qualifier value).
For example,
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