Use ServiceType Codes

ServiceTypeCodes are used to identify business groupings for healthcare services and benefits. Include the serviceTypeCode in the API request call. The serviceType code consists of value and valueType. An example:

"service": {
    "codes": [
      {
        "value": "98",
        "valueType": "ServiceTypeCode"
      }

If you are not sure what serviceTypeCode to use, you can use serviceType code “30” for a general Health Benefit Plan Coverage inquiry.

Each payer may have different supported service types for eligibility and benefit inquiries. You may visit individual payer site to find supported serviceType codes and the serviceType code best to use for the procedure you or your patients are trying to get an estimate of out-of-pocket cost. We recommend you purchase and use the 270 Implementation Guide specs.
Or
You can find a list of serviceType codes on Connect Center >> under Verification >> New Eligibility Request >> drop-down list under Service Information >> Service Type.

If you are not sure what service type code to use, you can use serviceType code “30” for a general Health Benefit Plan Coverage inquiry.

Here is a list of official list from the x12 org.

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NOTE

Only serviceType codes with Starting date: 09/20/2009 will be active.