The codelist will be used to identify patients who have are receiving methylphenidate to treat ADHD.
It may be compared against a list of patients who have clinical diagnoses of ADHD.
This will inform results for the ADHD taskforce.
Sensitivity versus specificity
Balanced approach.
Relevant definitions or links to important reference sources
None.
Coding system
dm+d
Existing relevant codelists
None.
Search terms / synonyms / search strategy
Will search under methylphenidate at BNF chemical level and review formulations beneath that.
Inclusion criteria for codes
Is a formulation licenced to treat ADHD, and expectation is that it would primarily be prescribed for ADHD.
Exclusion criteria for codes
Is a formulation not licenced to treat ADHD, or expectation is that it would primarily be not be prescribed for ADHD.
User requirements
The codelist will be used to identify patients who have are receiving methylphenidate to treat ADHD. It may be compared against a list of patients who have clinical diagnoses of ADHD. This will inform results for the ADHD taskforce.
Sensitivity versus specificity
Balanced approach.
Relevant definitions or links to important reference sources
None.
Coding system
dm+d
Existing relevant codelists
None.
Search terms / synonyms / search strategy
Will search under methylphenidate at BNF chemical level and review formulations beneath that.
Inclusion criteria for codes
Is a formulation licenced to treat ADHD, and expectation is that it would primarily be prescribed for ADHD.
Exclusion criteria for codes
Is a formulation not licenced to treat ADHD, or expectation is that it would primarily be not be prescribed for ADHD.
Borderline cases
None.
Final codelist
https://www.opencodelists.org/codelist/opensafely/methylphenidate-dmd/1e051e13/