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Explore EClaims Resources

Tools and references for healthcare EDI, provider lookup, payer IDs, claim forms, and medical code research.

NPI Lookup

Search current National Provider Identifier records using the eClaims NPI lookup tool.

Payer ID Code List

Search payer ID codes used for electronic claim submission.

Interactive HCFA-1500 Guide

Explore claim form fields and see how they relate to X12 837P claim data.

ICD-10-CM Code Lookup

Search ICD-10-CM diagnosis codes using the eClaims lookup tool.

ICD-10-CM Code Explorer

Browse ICD-10-CM codes by chapter, body system, or medical condition category.

277CA Claim Status Lookup

Interpret 277CA STC segments and claim status codes to understand claim edits, rejections, and acknowledgments.

NPI Validation

Verify whether 10-digit or 15-position NPI numbers pass check digit validation.

Explore Healthcare EDI Articles

Learn ANSI X12 transactions, claim workflows, HCFA-1500 mappings, payer communications, and healthcare EDI best practices.

Claim Frequency Type Code 8 - Void/Cancel Claim

August 26, 2026

Learn what Claim Frequency Type Code 8 means, when to void or cancel a prior claim, how it differs from Code 7, and common void claim mistakes.

Claim Frequency Type Code 7 - Replacement Claim

August 26, 2026

Learn what Claim Frequency Type Code 7 means, when to submit a replacement claim, what information is required, and common mistakes to avoid.

Corrected Claim vs. Replacement Claim

August 25, 2026

Learn the difference between a corrected claim and replacement claim, when Claim Frequency Type Code 7 is used, and when a claim should be resubmitted as original.

277CA Claim Status Lookup Tool - Interpret STC Codes

August 25, 2026

Learn how to use the Eclaims 277CA Claim Status Lookup Tool to interpret STC segments, CSCC, CSC and EIC codes, claim rejections and acknowledgments.

Original, Corrected, Replacement & Void Claims

August 23, 2026

Learn the differences between original, corrected, replacement and void medical claims, when each is used, and what to consider before resubmitting a claim.

ANSI X12 837P - 5010 1000A NM1 Submitter Name

May 21, 2026

Learn how the 1000A NM1 Submitter Name segment works in the ANSI X12 837P 5010 healthcare claim transaction, including submitter identifiers, ETIN values, clearinghouse workflows, and practical implementation examples.