HL7 v2.8.1 Vocabulary
0.2.0 - ci-build

HL7 v2.8.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v281/ and changes regularly. See the Directory of published versions

## CodeSystem: Additive/Preservative (2.8.1 - 2.0.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/additivePreservative | Version: 2.0.0
Active as of 2026-03-13 | Computable Name: AdditivePreservative
Other Identifiers: OID:2.16.840.1.113883.18.229, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0371
Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts specifying any additive introduced to the specimen before or at the time of collection. These additives may be introduced in order to preserve, maintain or enhance the particular nature or component of the specimen. Used in HL7 Version 2.x messaging in the SPM and SAC segments.

This Code system is referenced in the content logical definition of the following value sets:

- Hl7VSadditivePreservative

Properties

This code system defines the following properties for its concepts

Name | Code | URI | Type | Description
version introduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced
version deprecated | versionDeprecated | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated | string | version when was this code deprecated
status | status | http://hl7.org/fhir/concept-properties#status | code | A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired
comment, to suppress IG-publisher warning, to be replaced with standard later | comment | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment | string | A string that provides additional detail pertinent to the use or understanding of the concept
usage | usage | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage | string | usage notes for this code
modified | modified | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified | dateTime | date of last modification

Concepts

This case-sensitive code system `http://terminology.hl7.org/v2plusvocab/CodeSystem/additivePreservative` defines the following codes:

Code | Display | Definition | version introduced | usage
ACDA | ACD Solution A | ACD Solution A | 2.5 | Yellow top tube
ACDB | ACD Solution B | ACD Solution B | 2.5 | Yellow top tube
ACET | Acetic Acid | Acetic Acid | 2.5 | Urine preservative
AMIES | Amies transport medium | Amies transport medium | 2.5 | Protozoa
BACTM | Bacterial Transport medium | Bacterial Transport medium | 2.5 | Microbiological culture
BF10 | Buffered 10% formalin | Buffered 10% formalin | 2.5 | Tissue
BOR | Borate Boric Acid | Borate Boric Acid | 2.4 | 24HR Urine Additive
BOUIN | Bouin's solution | Bouin's solution | 2.5 | Tissue
BSKM | Buffered skim milk | Buffered skim milk | 2.5 | Viral isolation
C32 | 3.2% Citrate | 3.2% Citrate | 2.4 | Blue top tube
C38 | 3.8% Citrate | 3.8% Citrate | 2.4 | Blue top tube
CARS | Carson's Modified 10% formalin | Carson's Modified 10% formalin | 2.5 | Tissue
CARY | Cary Blair Medium | Cary Blair Medium | 2.5 | Stool Cultures
CHLTM | Chlamydia transport medium | Chlamydia transport medium | 2.5 | Chlamydia culture
CTAD | CTAD (this should be spelled out if not universally understood) | CTAD (this should be spelled out if not universally understood) | 2.5 | Blue top tube
EDTK | Potassium/K EDTA | Potassium/K EDTA | 2.4 | Deprecated. Replaced by EDTK15 and EDTK75
EDTK15 | Potassium/K EDTA 15% | Potassium/K EDTA 15% | 2.5 | Purple top tube
EDTK75 | Potassium/K EDTA 7.5% | Potassium/K EDTA 7.5% | 2.5 | Purple top tube
EDTN | Sodium/Na EDTA | Sodium/Na EDTA | 2.4 | Dark Blue top tube
ENT | Enteric bacteria transport medium | Enteric bacteria transport medium | 2.5 | Bacterial culture
ENT+ | Enteric plus | Enteric plus | 2.5 | Stool Cultures
F10 | 10% Formalin | 10% Formalin | 2.5 | Tissue preservative
FDP | Thrombin NIH; soybean trypsin inhibitor (Fibrin Degradation Products) | Thrombin NIH; soybean trypsin inhibitor (Fibrin Degradation Products) | 2.5 | Dark Blue top tube
FL10 | Sodium Fluoride, 10mg | Sodium Fluoride, 10mg | 2.5 | Urine
FL100 | Sodium Fluoride, 100mg | Sodium Fluoride, 100mg | 2.5 | Urine
HCL6 | 6N HCL | 6N HCL | 2.4 | 24 HR Urine Additive
HEPA | Ammonium heparin | Ammonium heparin | 2.5 | Green top tube
HEPL | Lithium/Li Heparin | Lithium/Li Heparin | 2.4 | Green top tube
HEPN | Sodium/Na Heparin | Sodium/Na Heparin | 2.4 | Green top tube
HNO3 | Nitric Acid | Nitric Acid | 2.5 | Urine
JKM | Jones Kendrick Medium | Jones Kendrick Medium | 2.5 | Bordetella pertussis
KARN | Karnovsky's fixative | Karnovsky's fixative | 2.5 | Tissue
KOX | Potassium Oxalate | Potassium Oxalate | 2.5 | Gray top tube
LIA | Lithium iodoacetate | Lithium iodoacetate | 2.5 | Gray top tube
M4 | M4 | M4 | 2.5 | Microbiological culture
M4RT | M4-RT | M4-RT | 2.5 | Microbiological culture
M5 | M5 | M5 | 2.5 | Microbiological culture
MICHTM | Michel's transport medium | Michel's transport medium | 2.5 | IF tests
MMDTM | MMD transport medium | MMD transport medium | 2.5 | Immunofluorescence
NAF | Sodium Fluoride | Sodium Fluoride | 2.5 | Gray top tube
NAPS | Sodium polyanethol sulfonate 0.35% in 0.85% sodium chloride | Sodium polyanethol sulfonate 0.35% in 0.85% sodium chloride | 2.5 | Yellow (Blood Culture)
NONE | None | None | 2.5 | Red or Pink top tube
PAGE | Pages's Saline | Pages's Saline | 2.5 | Acanthaoemba
PHENOL | Phenol | Phenol | 2.5 | 24 Hr Urine Additive
PVA | PVA (polyvinylalcohol) | PVA (polyvinylalcohol) | 2.5 | O&P
RLM | Reagan Lowe Medium | Reagan Lowe Medium | 2.5 | Bordetella pertussis cultures
SILICA | Siliceous earth, 12 mg | Siliceous earth, 12 mg | 2.5 | Gray top tube
SPS | SPS(this should be spelled out if not universally understood) | SPS(this should be spelled out if not universally understood) | 2.5 | Anticoagulant w/o bacteriocidal properties
SST | Serum Separator Tube (Polymer Gel) | Serum Separator Tube (Polymer Gel) | 2.5 | 'Tiger' Top tube
STUTM | Stuart transport medium | Stuart transport medium | 2.5 | Bacterial culture
THROM | Thrombin | Thrombin | 2.5 | Orange or Grey/Yellow (STAT Chem)
THYMOL | Thymol | Thymol | 2.5 | 24 Hr Urine Additive
THYO | Thyoglycollate broth | Thyoglycollate broth | 2.5 | Bacterial Isolation
TOLU | Toluene | Toluene | 2.5 | 24 Hr Urine Additive
URETM | Ureaplasma transport medium | Ureaplasma transport medium | 2.5 | Ureaplasma culture
VIRTM | Viral Transport medium | Viral Transport medium | 2.5 | Virus cultures
WEST | Buffered Citrate (Westergren Sedimentation Rate) | Buffered Citrate (Westergren Sedimentation Rate) | 2.5 | Black top tube