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5 entries across the knowledge base
Interoperability & Standards
X12 and NCPDP
The EDI standards that move American healthcare's money and prescriptions. Positional, terse, decades old — and still carrying more clinical-financial traffic daily than FHIR has moved in its lifetime.
article · 8 min · practitioner
Terminologies & Code Systems
CPT and HCPCS
The procedure code sets behind US outpatient billing — how the two levels fit together, and why one of them is copyrighted property rather than public infrastructure.
article · 8 min · foundation
India Digital Health · ABDM
NHCX — the National Health Claims Exchange
India's claims network, built on FHIR rather than X12 — what that choice actually changes for payers, providers and anyone who has worked a US revenue cycle.
article · 9 min · practitioner
US Health IT Policy
US payers & coverage types
Medicare, Medicaid, CHIP, ACA marketplace plans and employer coverage — who pays, who regulates them, and why the coverage type decides which data flows and which rules apply.
article · 6 min · foundation
Career & Practice
The medical coding & RCM career
One of the most accessible, global, in-demand entry points into health IT — what a coder and revenue-cycle specialist actually do, the code systems to master, and the path up.
article · 6 min · foundation