Skip to Content

Provider Manual

Unlisted codes

Last Updated on August 27, 2025

Security Health Plan requires a complete description to be submitted for all unlisted codes.  Unlisted codes can be identified with one of the following code descriptions (not all inclusive):

  • Not Otherwise Classified or NOC
  • Not Otherwise Specified or NOS
  • Not Elsewhere Specified or NES
  • Not Otherwise
  • Unlisted
  • Not Listed
  • Miscellaneous
  • Unspecified
  • Unclassified
  • Non-specified

A complete description explains the procedure/service performed. Claims received without a description or with a generic description will be denied.

  • Detailed description should be submitted electronically in Loop 2400 Segment SV101-7 of a CMS-1500 and Loop 2400 Segment SV202-7 of a UB-04. Paper claim format should use Box 19 of a CMS-1500 and Box 80 of a UB-04 to supply the detailed description.
  • For drugs, a valid NDC must be included with the HCPCS and is considered a complete description.
    • Refer to the National Drug Code Requirements page for more information.
  • For unlisted genetic and molecular testing services, add the appropriate Concert Genetics GTU descriptor.
    • Refer to the Genetic and Molecular Lab Testing page for more information.