1. NPM Knowledge Base
  2. Medical billing in dentistry

JO and JP qualifiers (Tooth numbers and areas of the oral cavity for medical claims)

JO and JP qualifiers and where to enter them when filing a medical claim

The following are the codes for tooth numbers, reported with the JP qualifier:
  • 1 –32: Permanent dentition
  • 51 –82: Permanent supernumerary dentition
  • A –T: Primary dentition
  • AS –TS: Primary supernumerary dentition

The following are the codes for areas of the oral cavity, reported with the JO qualifier:

  • 00 : Entire oral cavity
  • 01 : Maxillary arch
  • 02 : Mandibular arch
  • 10 : Upper right quadrant
  • 20 : Upper left quadrant
  • 30 : Lower left quadrant
  • 40: Lower right quadrant

Below are several examples from the CMS 1500 claim form manual from the National Uniform Claim Committee (NUCC) of what this might look like on your medical claim:


So how do you enter these qualifiers and codes into DentalWriter to appear on your claim forms? We're glad you asked! Instructions to do so are below:

1) In any claim in DentalWriter, double click on any line item in box 24 (or click in any white box in the line item then click the "edit service" button at the bottom of box 24) in which you wish to add the qualifiers.

2) A "procedure or service" window will appear where you can edit information on that line item. Scroll to the bottom of that window to the "supplemental information" field and type in your desired qualifier with the tooth number(s) or area of the oral cavity codes defined above, then click the "save and close" button in the upper left hand corner of the window, shown below:


3) The text you entered will appear in the red shaded line above the dates of service of the line item you selected, shown below:

Additional instructions for use of the JO and JP qualifiers is provided in the CMS 1500 claim form manual:

  • When reporting tooth numbers, add in the following order: qualifier, tooth number, e.g., JP16. When reporting an area of the oral cavity, enter in the following order: qualifier, area of oral cavity code, e.g., JO10.
  • When reporting multiple tooth numbers for one procedure, add in the following order: qualifier, tooth number, blank space, tooth number, blank space, tooth number, etc., e.g., JP1 16 17 32.
  • When reporting multiple tooth numbers for one procedure, the number of units reported in 24G is the number of teeth involved in the procedure.
  • When reporting multiple areas of the oral cavity for one procedure, add in the following order: qualifier, oral cavity code, blank space, oral cavity code, etc., e.g., JO10 20.
  • When reporting multiple areas of the oral cavity for one procedure, the number of units reported in 24G is the number of areas of the oral cavity involved in the procedure.