Medical Billing And Coding

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While it seems like we would never come to the end of our medical billing series on electronic billing using NSF 3.01 specifications and the GU0 record, we have finally come to the last few fields. In this installment, we introduct a new CMN field type with its own special rules for filling it out, as if things weren’t complicated enough already. We pick up our review of the GU0 record with field number 69.

Before we start our review of the field itself, we need to discuss the actual data type this field introduces. The previous fields for this CMN have either all been alpha numeric or numeric. This field is a percentage field. Where billers get into trouble with this field, is that it is a four position field. The reason for the extra position is because of the implied decimal point. Percentage fields are transmitted as whole numbers but if the percentage is not a whole percentage then the field is transmitted with what is called an implied decimal. For example, a percentage of 87.6% is transmitted as 0876. The carrier will interpret this as 87.6%. It is critical that the biller understands this and transmits the field correctly.

GU0 field 69, positions 294 - 297, is Reply PCT L04 N01. This field is the reply to the first question on any DMERC certification requiring a four position percentage response. Form 03 for this field is reserved for future use. The valid responses for form 10 for this field are 000.0% - 099.9%. Again, the decimal is implied and not transmitted. The response for form 10 is the amino acid percentage concentration. This refers back to the amino acids that are given to the patient back in field 62. The question for form 10 is question number 4.B.

GU0 field 70, positions 298 - 301, is Reply PCT L04 N02. This field is the reply to the second question on any DMERC certification requiring a four position percentage response. The valid responses for form 10 for this field are 000.0% - 099.9%. Again, the decimal is implied and not transmitted. The response for form 10 is the dextrose concentration percentage. This refers back to the dextrose that is given to the patient back in field 64. The question for form 10 is question number 4.E.

GU0 field 71, positions 302 - 305, is Reply PCT L04 N03. This field is the reply to the third question on any DMERC certification requiring a four position percentage response. The valid responses for form 10 for this field are 000.0% - 099.9%. Again, the decimal is implied and not transmitted. The response for form 10 is the lipids concentration percentage. This refers back to the lipids that are given to the patient back in field 65. The question for form 10 is question number 4.H.

GU0 field 72, positions 306 - 320, is filler national and must be filled with spaces.

As hard as it is to believe, this concludes our review of the GU0 record. In our next installment on medical billing, we’ll begin another CMN.

Michael Russell
Your Independent guide to Medical Billing

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This entry was posted on Tuesday, November 13th, 2007 at 3:00 pm and is filed under Medical Billing And Coding. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.