There are 4 or five different types of domails in Medical billing.

Patient Demographics Entry

This would include Patient’s Name, Present Address, City, State, Zip Code, Social Security Number, Employer Details, Insurance Details like Primary, Secondary and Tertiary, and guarantor information.

Charge Entry

This would include entering details like Date of Service, Referring Physician, Ordering Physician, Place of Service, Type of Service, CPT Codes, ICD Codes, Modifiers, Authorization or Referral Details and Co-pay Details.

Payment Entry or Charge Posting

The following details from the EOB are keyed in-
Patient Account Number / Patient Control Number, Patient Name, Date of Service, Procedure Code, Billed Amount , Allowed Amount, Adjusted Amount, Paid Amount, Deductibles and Denial Details.

Accounts Receivable and Claims Follow-up

Denials/rejections analysis, re-billing
Systemic A/R projects, re-billing
Insurance Follow Up
Collection Agency Reporting
Payment Posting and Reconciliation