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Page 3 of 6 — guides, tutorials and tips from our free, privacy-first online tools.

Debugging a FHIR Transaction Bundle That Won't Post
hl7-tools

Debugging a FHIR Transaction Bundle That Won't Post

Troubleshoot FHIR transaction bundles: urn:uuid fullUrl addressing, entry.request semantics, unresolved references, and why entry order rarely matters.

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The Seven Characters of an ICD-10-PCS Code, Explained
clinical-coding

The Seven Characters of an ICD-10-PCS Code, Explained

What each of the seven ICD-10-PCS characters means, why a code only exists when they come from one table row, and how to spot the errors that get claims denied.

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Excision vs Resection in ICD-10-PCS: How to Tell Them Apart
clinical-coding

Excision vs Resection in ICD-10-PCS: How to Tell Them Apart

One word separates Excision from Resection: portion or all. Here is how the PCS body part key decides it, why it moves the DRG, and the cases that trip coders up.

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The 18 HIPAA Safe Harbor Identifiers Explained
healthcare-compliance

The 18 HIPAA Safe Harbor Identifiers Explained

A complete guide to the 18 HIPAA Safe Harbor identifiers: what each category covers, why unstructured text is hard, and how to detect and redact PHI privately.

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What Is FHIR? A Healthcare IT Guide
hl7-tools

What Is FHIR? A Healthcare IT Guide

A practical intro to FHIR for healthcare IT: what resources are, how R4 works, how it compares to HL7 v2, and how to validate resources before sending.

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Understanding ICD-10 Codes: Structure and Billing
clinical-coding

Understanding ICD-10 Codes: Structure and Billing

A practical guide to ICD-10-CM diagnosis codes: how they are structured, what makes a code billable, how to read Excludes notes, and how to look codes up fast.

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