Wiki 88360 vs 88342 for ER/PR

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Shekendan

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Hi everyone! We have a question concerning 88360 vs 88342 for ER/PR - This particular case was coded as an 88360 for both even though technically PR didn't have a percentage given. The pathologist reasoning was that "negative" generally means 0%. Is this correct and we can leave as an 88360 even though a percentage wasn't given or should we definitely have to have "0%" in there for it to pass?


ESTROGEN RECEPTOR: Positive. 5% of tumor cell nuclei are positive (weak).
PROGESTERONE RECEPTOR: Negative; internal controls present and appropriate.
 
"Negative" or "0%" is acceptable documentation for 88360 if there is documentation that the test was performed in a manner to express a quantitative or semi-quantitative result. That is, the reading methodology needs to be documented on each report in addition to the results.
 
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