Cytogenetics CPT Codes

CPT Code

Description

88130

Sex Chromosome Identification

88230

Tissue culture for non-neoplastic disorders; lymphocyte

88233

Tissue culture for non-neoplastic disorders; skin or other solid tissue biopsy

88235

Tissue culture for non-neoplastic disorders; amniotic fluid or chorionic villus cells

88237

Tissue culture for non-neoplastic disorders; bone marrow, blood cells

88239

Tissue culture for non-neoplastic disorders; solid tumor

88240

Cryopreservation; freezing and storage of cells, each cell line

88241

Thawing and expansion of frozen cells, each aliquot

88245

Chromosome analysis for breakage syndromes; baseline Sister Chromatid Exchange (SCE), score 20-25 cells

88248

Chromosome analysis for breakage syndromes; baseline SCE, score 50-100 cells, count 20 cells (2 karyotypes) (eg. for ataxia telangiectasia, Fanconi anemia, fragile X)

88249

Chromosome analysis for breakage syndromes; baseline SCE, score 100 cells, clastogen stress (eg. diepoxybutane, mitomycin C, ionizing radiation, UV radiation)

88261

Chromosome analysis; count 5 sells, 1 karyotype, with banding

88262

Chromosome analysis; count 15-20 cells, 2 karyotypes, with banding

88263

Chromosome analysis; count 45 cells for mosaicsm, 2 karyotypes, with banding

88264

Chromosome analysis; count 20-25 cells

88267

Chromosome analysis; amniotic fluid or chorionic villus, count 15 cells, 1 karyotype, with banding

88269

Chromosome analysis; in Situ for amniotic fluid cells, count cells from 6-12 colonies, 1 karyotype, with banding

88271

Molecular genetics; DNA probe, each (eg. FISH)

88272

Molecular genetics; chromosomal in Situ hybridization, analyse 3-5 cells (eg. for derivatives and markers)

88273

Molecular genetics; chromosomal in Situ hybridization, analyse 10-30 cells (eg. for microdeletions)

88274

Molecular genetics; interphase in Situ hybridization, analyse 25-99 cells

88275

Molecular genetics; interphase in Situ hybridization, analyse 100-300 cells

88280

Chromosome analysis; additional karyotypes, each study

88283

Chromosome analysis; additional specialized banding technique (eg. NOR, C-banding)

88285

Chromosome analysis; additional cells counted, each study

88289

Chromosome analysis; additional high resolution study

88299

Unlisted cytogenetic study

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