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Fungal (Mold/Yeast) Identification
Ordering Recommendation
Use to identify pathogenic fungi/yeast from an isolate.
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 nonviable organisms.
Specimen source preferred.
Ambient: 4 weeks; Refrigerated: 4 weeks; Frozen: Unacceptable
Methodology
Qualitative Methods may include biochemical, mass spectrometry, or sequencing.
Performed
Sun-Sat
Reported
Varies
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 an organism fails to grow, the client will be notified in the final report. All original submissions are held until testing is completed or the test is cancelled.
Requests to rule out Penicillium marneffei may 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
- Fungal Identification
- Histoplasma capsulatum Identification
- Mold Identification
- Yeast Identification
