Know which code system answers which question
Match common claim elements to the coding system or field that carries that information.
Sort each claim question into the code system or field that answers it best. ICD-10-CM diagnosis CPT service or procedure HCPCS Level II item or supply Place of service Modifier Why was the lab, visit, procedure, or supply medically needed? Which office visit, procedure, test, or professional service was performed? Which durable medical equipment item, drug, supply, or ambulance service was furnished? Where was the patient located when the service was furnished? Was the service distinct, bilateral, professional-only, technical-only, or otherwise qualified? Does the diagnosis state laterality, acuity, complication, or severity? Did the provider perform a separately identifiable E/M on…
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