Os-Cal Extra D3 500 mg / 600 UNT Oral Tablet, as calcium carbonate
RxNorm 1243393

Concept Hierarchy & Relationship Mapping

RxNorm Concept Unique Identifier (RxCUI) 1243393 represents a standardized clinical drug concept used for cross-system interoperability. This concept aggregates multiple Atom IDs (AUIs), which are specific naming variations and synonyms used across pharmaceutical databases to ensure accurate medication mapping for: Os-Cal Extra D3 500 mg / 600 UNT Oral Tablet, as calcium carbonate.

The following semantic concepts and normalized strings are associated with this clinical entity:

SBD
Calcium carbonate 1250 mg / cholecalciferol 600 UNT Oral Tablet [Os-Cal 500 with D]
AUI:12358217
View
SY
Os-Cal Extra D3 (calcium carbonate 1250 mg (calcium 500 mg) / vitamin D3 600 UNT) Oral Tablet
AUI:4243484
View
PSN
Os-Cal Extra D3 500 mg / 600 UNT Oral Tablet, as calcium carbonate
AUI:6366567
View

This clinical crossover tool is designed for healthcare professionals, pharmacists, and data analysts to safely compare substitute products and manage medication interoperability.

SBDPrescribable

Semantic Branded Drug (SBD):
Calcium carbonate 1250 mg / cholecalciferol 600 UNT Oral Tablet [Os-Cal 500 with D]
(Atom ID: 12358217)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
calcium carbonate 1250 MG / cholecalciferol 600 UNT Oral Tablet [Os-Cal 500 with D]
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
1243393
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
12358217
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SBD
Semantic Branded Drug (Ingredient + Strength + Dose Form + Brand Name)
Source Code
1243393
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
RxNorm Vocabulary (RXNORM)
The official name and abbreviation for the vocabulary source.
Source Version
20AA_260601F
The specific version of the vocabulary provided by the source.
Update Date
June 01, 2026
The date when this RxNorm data was last updated by the NLM.
License Contact
RxNorm Customer Service, , U.S. National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, (888) FIND-NLM, , https://support.nlm.nih.gov/support/create-case/, https://www.nlm.nih.gov/research/umls/rxnorm/
Source licensing contact information.

Technical Attributes & Logic

RXN AI
{328931} 1316581
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AI
{994830} 2418
RXCUI of BOSS Active Ingredient preceded by RXCUI of SCDC responsible for value
RXN AM
{328931} 1544139
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AM
{994830} 2418
RXCUI of BOSS Active Moiety preceded by RXCUI of SCDC responsible for value
RXN AVAILABLE STRENGTH
1250 MG / 600 UNT
Available drug strengths listed in the order of ingredients from the drug
RXN BOSS FROM
{328931} AI
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN BOSS FROM
{994830} AI
Source of BOSS as either from the active ingredient (AI) or the active moiety (AM) preceded by RXCUI of SCDC responsible for value
RXN HUMAN DRUG
US
Drug available for use in Humans
RXTERM FORM
Tab
The RxTerm dose form name for this drug
SYPrescribable

Synonym (SY):
Os-Cal Extra D3 (calcium carbonate 1250 mg (calcium 500 mg) / vitamin D3 600 UNT) Oral Tablet
(Atom ID: 4243484)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
Os-Cal Extra D3 (calcium carbonate 1250 MG (calcium 500 MG) / vitamin D3 600 UNT) Oral Tablet
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
1243393
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
4243484
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
SY
Synonym (Synonym of another TTY, given for clarity.)
Source Code
1243393
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
RxNorm Vocabulary (RXNORM)
The official name and abbreviation for the vocabulary source.
Source Version
20AA_260601F
The specific version of the vocabulary provided by the source.
Update Date
June 01, 2026
The date when this RxNorm data was last updated by the NLM.
License Contact
RxNorm Customer Service, , U.S. National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, (888) FIND-NLM, , https://support.nlm.nih.gov/support/create-case/, https://www.nlm.nih.gov/research/umls/rxnorm/
Source licensing contact information.
PSNPrescribable

Prescribable Name (PSN):
Os-Cal Extra D3 500 mg / 600 UNT Oral Tablet, as calcium carbonate
(Atom ID: 6366567)

Clinical Status & Identity

Prescribable Status
YES (Active)
Part of the RxNorm Current Prescribable Content subset including all drugs available for prescription in the USA.
Concept Description
Os-Cal Extra D3 500 MG / 600 UNT Oral Tablet, as calcium carbonate
Official description of the drug concept as defined in the source vocabulary.
Suppress Flag
N
N: Not suppressible | O: Obsolete | Y: Suppressed by editor | E: Unquantified non-prescribable drug.

Interoperability & Coding

Concept ID (RxCUI)
1243393
RxNorm Unique Identifier for the standardized concept.
Atom ID (RXAUI)
6366567
Unique identifier for this specific name variation (Atom).
Term Type (TTY)
PSN
Prescribable Name (Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.)
Source Code
1243393
The "Most useful" identifier asserted by the original source vocabulary.

Source & Registry Data

Source Name
RxNorm Vocabulary (RXNORM)
The official name and abbreviation for the vocabulary source.
Source Version
20AA_260601F
The specific version of the vocabulary provided by the source.
Update Date
June 01, 2026
The date when this RxNorm data was last updated by the NLM.
License Contact
RxNorm Customer Service, , U.S. National Library of Medicine, 8600 Rockville Pike, , Bethesda, MD, United States, 20894, (888) FIND-NLM, , https://support.nlm.nih.gov/support/create-case/, https://www.nlm.nih.gov/research/umls/rxnorm/
Source licensing contact information.

Patient Education

Calcium



[Learn More]


Vitamin D



[Learn More]


* Please review the disclaimer below.