Flow Cytometry
J15 · Effective Oct 1, 2015
27 active Medicare policies list Z21, and 9 commercial payer policies list it. See each policy's status for the code and its official source. Listing a code is not a coverage decision: read each policy’s source for the requirements that apply.
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J15 · Effective Oct 1, 2015
JE · Effective Oct 1, 2015
JF · Effective Oct 1, 2015
JJ · Effective Oct 1, 2015
JM · Effective Oct 1, 2015
J15 · Effective Apr 17, 2022
JE · Effective Apr 17, 2022
JF · Effective Apr 17, 2022
JJ · Effective Apr 17, 2022
9 policies from 3 payers
Summary of the payer’s published policy. Not a coverage determination — confirm with the payer before submitting.
| Policy | Effective | Status of Z21 |
|---|---|---|
| Cosmetic Surgery and Procedures | Feb 8, 2024 | Covered |
| Flow Cytometry, Ektacytometry, DNA Ploidy, and S-phase Fraction | Jun 5, 2023 | Covered |
| HIV Testing | Aug 4, 2023 | Covered |
| Infertility | Feb 15, 2024 | Covered |
| Meningococcal Vaccines | Feb 15, 2024 | Covered |
| Polymerase Chain Reaction Testing: Selected Indications | Feb 9, 2024 | Covered |
JM · Effective Apr 17, 2022
J5 · Effective Apr 17, 2022
J8 · Effective Apr 17, 2022
J6 · Effective Jul 13, 2025
JK · Effective Jul 13, 2025
J9 · Effective Dec 12, 2021
JH · Effective Dec 12, 2021
JL · Effective Dec 12, 2021
National · Effective Mar 5, 2026
National · Effective Oct 1, 2026
National · Effective Oct 1, 2026
National · Effective Aug 6, 2026
National · Effective Aug 6, 2026
National · Effective May 14, 2026
J5 · Effective Aug 6, 2026
J6 · Effective Apr 1, 2026
JL · Effective Sep 10, 2026
J9 · Effective Sep 10, 2026
| Varicella and Herpes Zoster Vaccines | Mar 22, 2023 | Covered |
|---|
| Policy | Effective | Status of Z21 |
|---|---|---|
| Flow Cytometry | Sep 15, 2026 | Covered |
| Policy | Effective | Status of Z21 |
|---|---|---|
| Trogarzo (Ibalizumab-Uiyk) | Jun 1, 2026 | Covered |