

Five new CPT codes replace the prior single CPT code 88180 for flow cytometry:
Technical component CPT codes
Professional component CPT codes
Notes:
CPT codes shown above in red are new codes.
For flow cytometry, CPT code 88180 has been eliminated and there are separate codes for the technical and professional components; do not use -26 or –TC modifiers with flow cytometry codes 88184 through 88189.
For estrogen receptor, progesterone receptor and Her-2/neu performed manually and graded semi-quantitatively (e.g. 1+, 2+, 3+), use CPT code 88360 for each antibody for both technical and professional components.
For estrogen receptor, progesterone receptor and Her-2/neu performed with a computer (e.g., using Chromavision ACIS®) use CPT code 88361 for each antibody for both technical and professional components.
For quantitative or semi-quantitative in situ hybridization for Her-2/neu, performed manually, use CPT code 88368 for each probe for both technical and professional components.
For in situ hybridization for Her-2/neu, performed with a computer, use CPT code 88367 for each probe for both technical and professional components.
CMS no longer allows a 90-day grace period for switching to new or correct CPT codes. The above changes are effective January 1, 2005.