Chromosome study - Products of conception

Alphabetical Test listing

Chromosome study - Products of conception-4280C

Test name:

Test number:

4280C

Excellian order number:

LAB4280C

Alternate names:

Cytogenetic products of conception
Fetal demise
Miscarriage
Perinatal karyotype analysis
POC

Specimen type:

Placental tissue (chorionic villi [preferred] or placenta)

Volume:

30mg Chorionic Villi
50mg Placenta

Collection instructions:

Collect 30 mg chorionic villi (preferred) or 50 mg placenta

Processing instructions:

Submit entire fresh tissue specimen
Place specimen in sterile saline, RPMI or HBSS
Do not submit entire fetus or entire placenta

Transport container:

Specimen cup filled with sterile saline, RPMI or HBSS

Alternate specimen type:

Fetal tissue

Alternate specimen volume:

1 cm³ internal tissue
3 mm³ skin biopsy

Alternate collection instructions:

Collect 1 cm³ internal tissue or 3 mm³ skin biopsy (from a central location such as buttock or upper thigh)

Transport and stability:

Ambient - Same day

Refrigerated - 48 hours

Reason for rejection:

Improper label (unlabeled or mislabeled)
Wrong container (solution)
Delay in transport
Improper storage
Leaking container

Performing lab:

AHL - Cytogenetics: X

Days set up:

Daily

TAT:

21 days

Method:

G-Banding

Reference ranges:

An interpretive report will be provided

CPT codes:

88233
88262

Reflex (if appropriate
88285 - additional cells counted
88280 - additional karyotype
88283 - additional specialized banding

Subject to medical necessity (Y/N):

Yes

LCD/NCD:

Medical necessity

Date created:

10/26/2012

Revised date:

04/15/2022