Appendix C. Pathology Procedure CPT codes and Descriptions CPT Code Procedure Description
88104 Cytopathology - with interpretation
88106 Cytopathology - filter method only with interpretation 88107 Cytopathology - filter prep with interpretation
88108 Concentration technique, smears and interpretation 88125 Forensic cytopathology
88130 Sex chromatin identification 88170 Fine-needle aspiration (FNA) 88171 FNA w/ radio guidance
88172 Evaluation of FNA - immediate cyto-histologic study to determine adequacy of specimens 88173 Evaluation of FNA - interpretation and report
88180 Flow cytometry; each cell surface marker 88182 Flow cytometry; cell cycle or DNA analysis 88199 Unlisted cytopathology procedure
88300 Level I gross examination only
88302 Level II Gross and microscopic analysisꜝ 88304 Level III Gross and microscopic analysisꜝ 88305 Level IV Gross and microscopic analysisꜝ 88307 Level V Gross and microscopic analysisꜝ 88309 Level VI Gross and microscopic analysisꜝ 88311 Decalcification
88312 Special stains Group I 88313 Special stains Group II
88314 Special stains; histochemical staining with frozen sections 88318 Determinative histochem to id chemical components
88319 Determinative histochem of cytochemistry to identify enzymes 88321 Consult
88323 Consult with making slides 88325 Consult, comprehensive
88329 Intraoperative pathology consult
88331 Intraoperative pathology consult - first tissue block, frozen section 88332 Intraoperative pathology consult - each additional block, frozen section 88342 Immunohistochemistry - tissue study, each antibody
88346 Immunofluorescent study, each antibody, direct 88347 Immunofluorescent study, each antibody, indirect 88348 Electron microscopy; diagnostic
88349 Electron microscopy; scanning
88355 Morphometric analysis; skeletal muscle 88356 Morphometric analysis; nerve
88358 Morphometric analysis; tumor 88362 Nerve prep
88365 Tissue in-situ hybridization 88371 Western blot
88372 Western blot with antibody probe 88399 Unlisted surgical pathology procedure
ꜝLevel II-VI Gross and microscopic analysis: the levels are decided by the specimen type. The roman numeral does not indicate the level of complexity of the evaluation.
