Enterprise HL7 / FHIR Terminology Engine

Universal Clinical Codes & Terminology Search

Search, verify, and inspect standardized LOINC, SNOMED CT, ICD-10-CM, RxNorm, and CPT clinical codes with native HL7 FHIR R4 resource mappings.

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Code Value Display Description Code System & OID FHIR Resource Category Status Actions
9977-0
QRS terminal amplitude in lead II
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99770-0
Tumor necrosis factor.alpha [Mass/volume] in Cerebrospinal Fluid
LOINC
2.16.840.1.113883.6.1
Both Laboratory Active
99771-8
SARS coronavirus 2 spike and nucleocapsid protein stimulated gamma interferon panel - Blood
LOINC
2.16.840.1.113883.6.1
Order Laboratory Active
99772-6
SARS-CoV-2 stimulated gamma interferon [Interpretation] in Blood Qualitative
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99773-4
SARS coronavirus 2 stimulated gamma interferon release by T-cells.Spike Ag spot count [#] corrected for background in Blood
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99774-2
SARS coronavirus 2 stimulated gamma interferon release by T-cells.Nucleocapsid Ag spot count [#] corrected for background in Blood
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99775-9
Leukocytes [#/volume] in Peritoneal dialysis fluid by Automated count
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99776-7
Leukocytes [#/volume] in Bronchoalveolar lavage by Automated count
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99777-5
Erythrocytes [#/volume] in Bronchoalveolar lavage by Automated count
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99778-3
Chlamydia trachomatis rRNA [Presence] in Conjunctival specimen by NAA with probe detection
LOINC
2.16.840.1.113883.6.1
Both Laboratory Active
99779-1
Neisseria gonorrhoeae rRNA [Presence] in Conjunctival specimen by NAA with probe detection
LOINC
2.16.840.1.113883.6.1
Both Laboratory Active
9978-8
QRS terminal amplitude in lead III
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99780-9
Multidrug resistant gram-negative organism classification [Type]
LOINC
2.16.840.1.113883.6.1
Both Laboratory Active
99781-7
Adalimumab and Adalimumab Ab panel - Serum or Plasma by Immunoassay
LOINC
2.16.840.1.113883.6.1
Order Laboratory Active
99782-5
Months [Time] --post transplant
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99783-3
Laboratory device Negative predictive value
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99784-1
Laboratory device Positive predictive value
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99785-8
Cell-free DNA.donor/Cell-free DNA.total in Plasma cell-free DNA --post cardiac transplant
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99786-6
Cell-free DNA.donor/Cell-free DNA.total in Plasma cell-free DNA --post lung transplant
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99787-4
Cell-free DNA.donor/Cell-free DNA.total in Plasma cell-free DNA --post kidney transplant
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
Page 5608 of 5620
Healthcare Terminology & FHIR R4 Interoperability
Standardized coding guidelines governed by CodesForMD

In HL7 FHIR R4, discrete clinical findings and laboratory measurements are encapsulated inside Observation resources. Diagnostic terms and problem list entries are represented within Condition resources, while surgical and therapeutic acts map to Procedure. CodesForMD adheres to official US Core and International FHIR Implementation Guides.

An OID is an internationally standardized dotted-decimal identifier (e.g. 2.16.840.1.113883.6.1 for LOINC) registered with HL7 and ISO. OIDs ensure unambiguous identification of terminology authorities when exchanging clinical messages across heterogeneous EHR, LIS, and PACS systems.

Yes. You can visit our platform's administrative ingestion and export engine or contact our team to obtain batch files of standardized codes.
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