MIPS 459 Non-proportion measure is not allowing negative numbers for numerator

[Mark Siemers]

I'm seeing this error when trying to submit MIPS 459:

{

  "error": {

    "type": "ValidationError",

    "message": "invalid measurement-set object",

    "details": [

      {

        "message": "field 'value' in MeasurementSet.measurements[0] is invalid: {\"numerator\":-0.125,\"denominator\":24,\"denominatorException\":0,\"numeratorExclusion\":0,\"observationInstances\":16,\"isEndToEndReported\":false,\"reportingRate\":0.6666666666666666} is invalid for measureId 459",

        "path": "$.measurements[0].value"

      },

      {

        "message": "field 'numerator' in MeasurementSet.measurements[0] is invalid: Invalid value -0.125 supplied to PositiveNumber",

        "path": "$.measurements[0].value.numerator"

      }

    ]

  }

}

Highlighting the message error: 

"message": "field 'numerator' in MeasurementSet.measurements[0] is invalid: Invalid value -0.125 supplied to PositiveNumber

The examples in the specification show that negative numbers are allowed: https://qpp.cms.gov/docs/QPP_quality_measure_specifications/CQM-Measures/2019_Measure_459_MIPSCQM.pdf

Should there be a floor of 0.0 for negative average numerator, or should a negative numerator be allowed for this measure? And non-proportion measures in general?

Also can we make a tag for "non-proportion" ?

[Sarah White]

Hi Mark, I've forwarded this question to our scoring team. I'll let you know what I hear back.

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[Mark Siemers]

Thank you Sarah,

I know we're just coming off the holiday break - any word from the scoring team on this?

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