Diff two resources side by side
Diffing FHIR resources by eye is thankless; the resource comparator I built here lists every added, removed and...
Structural Diff vs Semantic Diff for FHIR JSON
Two FHIR diffs of the same pair of resources can produce very different output. A structural diff finds every byte-level change. A semantic diff finds every clinically meaningful change. The two are related and different, and knowing which...
Diffing Two FHIR Resources Without Drowning in Reference Noise
Diffing two versions of a FHIR resource sounds like a solved problem. Then you run a generic JSON diff over an Observation from two servers and the output is a wall of meta.lastUpdated, id, and reference-URL changes that swamp the two...
Hosted vs Self-Hosted Terminology Servers for Behavioral Health Practices
Behavioral health practices that decide they need a real FHIR terminology server hit the next decision quickly: hosted (vendor-run, monthly fee, content currency included) or self-hosted (open-source, your servers, your content updates). Bo
DSM-5 vs ICD-10 Coding via FHIR Terminology Servers
Behavioral health practices in the US end up coding in both DSM-5 and ICD-10-CM whether they want to or not. The chart often references DSM-5 (clinicians know it, it is what the assessment scales map to, and the diagnostic criteria live the
How to Ship CMS-0057-F as a Product Feature Instead of a Two-Year Compliance Project
What if CMS-0057-F did not have to be that thing on the roadmap that swallows two years and produces one press release? The rule is real, the January 2027 Prior Auth deadline is fixed, and most payers are still scoping it like a moon…
Top 5 FHIR Terminology Engines for Medicare Behavioral Health Billing
Medicare behavioral health billing has its own coding gravity. The CPT psychotherapy codes plus HCPCS Level II add-ons, the LCD/NCD-driven ValueSets that decide medical necessity, the HCPCS modifiers, and the constantly-updating fee schedul
Best Terminology Tools for Suicide-Risk Coding and Z-Codes in 2026
Suicide-risk coding is one of the places where the gap between clinical reality and chart structure shows up most clearly. The relevant ICD-10-CM codes (R45.851 for suicidal ideation, T14.91XA for suicide attempt, the family of Z-codes for
5 Things to Check Before Trusting Any FHIR Benchmark
Every few months, someone publishes a FHIR server benchmark and the screenshots start flying around. Some of those numbers hold up. Some of them fall apart the moment you ask how the test was run. The honest answer is that a benchmark is…
Top 5 FHIR Terminology Servers for SNOMED Mental Health Vocabularies
SNOMED CT covers mental health more granularly than most teams use. The mental disorder hierarchy under 74732009 has hundreds of concepts, the symptom and finding axes carry their own depth, and the relationships between them are what make