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Fungal (Mold/Yeast) Identification
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Ordering Recommendation
If Candida auris is suspected, please indicate specimen source and include a note to rule out Candida auris in the order.
Mnemonic
Methodology
Methods may include biochemical, mass spectrometry, or sequencing
Performed
Sun-Sat
Reported
Varies
New York DOH Approval Status
Specimen Required
Actively growing mold or yeast in pure culture.
Transport sealed container with pure culture on agar slant. Place each specimen in an individually sealed bag.
Room temperature. If culture is suspected of being a microorganism identified on the IATA list as an infectious substance affecting humans, submit specimen according to Infectious Substance, Category A, shipping guidelines.
Mixed cultures or non-viable organisms. Isolates from environmental sources. Agar plate.
Specimen source preferred.
Ambient: 4 weeks; Refrigerated: 4 weeks; Frozen: Unacceptable
Reference Interval
Interpretive Data
Depends on Specimen/Source/Method
Note
An additional processing fee will be billed for all organisms submitted for identification that are not in pure culture, as indicated in specimen requirements. Identification of referred isolates is performed and billed by the extent of tests required for identification. When the specimen submitted contains both mold and yeast, both will be identified.
Differentiation between Candida albicans and Candida dubliniensis is performed based on a specimen source and when susceptibility testing is requested.
Organisms submitted for identification are kept for 7 days; if organism fails to grow, the client will be contacted. All original submissions are held until identification is completed or the test is cancelled.
Requests to rule out Penicillium marneffei will be sent to another referral lab for identification.
Identification required Test
Histoplasma capsulatum: Histoplasma capsulatum Identification (ARUP test code 0062226)
Coccidioides immitis: Coccidioides immitis Identification (ARUP test code 0062225)
Blastomyces dermatitidis: Blastomyces dermatitidis Identification (ARUP test code 0062224)
ITS rDNA sequencing only: Fungal Identification by ITS rDNA Sequencing (ARUP test code 0060756)
Hotline History
CPT Codes
Varies based on identification methods
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0060163 | Fungal (Mold/Yeast) Identification | 15378-3 |
Aliases
- Blastomyces dermatitidis Identification
- Coccidioides immitis Identification
- Culture Referred for Identification, Fungus
- Fungal Identification
- Histoplasma capsulatum Identification
- Identification, Mould
- mold
- Organism Identification, Mold
- Yeast
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