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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Showing 20 of 112393 codes
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Code Value Display Description Code System & OID FHIR Resource Category Status Actions
99896-3
Calcium oxalate monohydrate crystals [#/volume] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99897-1
Calcium oxalate dihydrate crystals [Presence] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99898-9
Calcium oxalate dihydrate crystals [#/area] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99899-7
Calcium oxalate dihydrate crystals [#/volume] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
999-3
DBG Ag [Presence] on Red Blood Cells
LOINC
2.16.840.1.113883.6.1
Both Laboratory Active
9990-3
R wave amplitude in lead III
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99900-3
Triple phosphate crystals [Presence] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99901-1
Triple phosphate crystals [#/area] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99902-9
Triple phosphate crystals [#/volume] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99903-7
Urate crystals [Presence] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99904-5
Urate crystals [#/area] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99905-2
Urate crystals [#/volume] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99906-0
Urate crystals amorphous [#/area] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99907-8
Urate crystals amorphous [#/volume] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99908-6
Phosphate crystals amorphous [#/volume] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99909-4
Atypical crystals [Presence] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
9991-1
R wave amplitude in lead V1
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99910-2
Atypical crystals [#/area] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99911-0
Atypical crystals [#/volume] in Urine sediment by Computer assisted method
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
99912-8
Bacilliform bacteria [Presence] in Urine sediment by Automated
LOINC
2.16.840.1.113883.6.1
Observation Laboratory Active
Page 5615 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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