Browse 44 practical box-by-box articles covering CMS-1500 and 837P professional claim workflows.
Work from patient and insurance details through claim-level dates, service lines, charges, and provider information.
Use software to prepare the form
Learn how to complete Box 1: Insurance Type on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before submission.
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Learn how to complete Box 1a: Insured ID Number on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 2: Patient Name on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before submission.
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Learn how to complete Box 3: Patient Birth Date and Sex on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements.
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Learn how to complete Box 4: Insured Name on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before submission.
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Learn how to complete Box 5: Patient Address on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 6: Patient Relationship to Insured on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements.
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Learn how to complete Boxes 7 and 11: Insured Address and Policy Details on the CMS-1500 form, avoid common claim errors, and review payer-specific.
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Learn how to complete Box 9: Other Insured Information on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 10: Employment and Accident Indicators on the CMS-1500 form, avoid common claim errors, and review payer-specific.
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Learn how to complete Box 11d: Is There Another Health Benefit Plan? on the CMS-1500 form, avoid common claim errors, and review payer-specific.
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Learn how to complete Boxes 12 and 13: Patient and Insured Signatures on the CMS-1500 form, avoid common claim errors, and review payer-specific.
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Learn how to complete Box 14: Date of Current Illness, Injury, or Pregnancy on the CMS-1500 form, avoid common claim errors, and review.
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Learn how to complete Box 15: Other Date on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before submission.
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Learn how to complete Box 16: Dates Patient Unable to Work on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements.
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Enter the referring, ordering, or supervising provider name and identifiers in CMS-1500 Boxes 17, 17a, and 17b.
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Learn how to complete Box 18: Hospitalization Dates on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 19: Additional Claim Information on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements.
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Learn how to complete Box 20: Outside Lab and Charges on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 21: Diagnosis Codes and ICD Indicator on the CMS-1500 form, avoid common claim errors, and review payer-specific.
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Learn how to complete Box 22: Corrected and Resubmitted Claims on the CMS-1500 form, avoid common claim errors, and review payer-specific.
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Learn how to complete Box 23: Prior Authorization Number on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements.
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Learn how to complete Box 24A: Dates of Service on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 24B: Place of Service on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 24C: Emergency Indicator on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 24D: Procedure Codes and Modifiers on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements.
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Learn how to complete Box 24E: Diagnosis Pointer on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 24F: Charges on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before submission.
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Learn how to complete Box 24G: Days or Units on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 24H: EPSDT and Family Plan on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Boxes 24I and 24J: Rendering Provider Identifiers on the CMS-1500 form, avoid common claim errors, and review payer-specific.
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Learn how to complete Box 25: Federal Tax ID Number on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 26: Patient Account Number on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Learn how to complete Box 27: Accept Assignment on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Calculate the claim total and report prior payments consistently in CMS-1500 Boxes 28 and 29.
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Learn how to complete Box 31: Provider Signature and Date on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements.
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Learn how to complete Box 32: Service Facility Location on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements.
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Learn how to complete Box 33: Billing Provider Information on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements.
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Box 8 is reserved for NUCC use and is normally left blank unless current payer instructions specifically say otherwise.
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Box 11a identifies the insured person’s date of birth and sex when the patient and insured are not necessarily the same person.
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Learn how to complete Box 11b: Other Claim ID on the CMS-1500 form, avoid common claim errors, and review payer-specific requirements before.
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Box 11c identifies the insurance plan or program connected with the insured’s policy information.
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Box 24 contains the service-line details that explain what was performed, when it was performed, and how it should be priced.
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Box 30 is reserved for NUCC use and should not be used for balance due or other legacy data.
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