CPT code 84410: Testosterone, bioavailable fraction2026 Medicare lab fee · Clinical Laboratory Fee Schedule
Measures the testosterone fraction available to tissues, supporting androgen evaluation when clinicians need more than a total testosterone result.
Medicare pays $51.28 for 84410 under the 2026 Clinical Laboratory Fee Schedule: one national amount, the same in every state and setting.
Medicare lab fee · CLFS 2026 Q4
National CLFS amount
$51.28
In effect since Jan 1, 2026. The same amount in every state, payment locality and setting.
- Geographic adjustment
- None
- Office vs facility
- Same
- Since 2020
- Unchanged
- CMS updates
- Quarterly
Medicare pays the lesser of the lab’s charge and this amount. Patients usually owe no Part B deductible or coinsurance for covered clinical lab tests.
On this page 8 sections
What 84410 covers
This assay directly measures bioavailable testosterone: the free fraction plus testosterone loosely bound to albumin, rather than testosterone tightly bound to sex hormone-binding globulin. It is commonly performed on serum by a clinical laboratory and ordered by clinicians evaluating androgen status, including when binding-protein levels may affect how total testosterone reflects available hormone.
Report this code for the bioavailable fraction assay, not for a free or total testosterone result alone. Medicare pays it through the CLFS at one national amount in every state and locality, with no office or facility payment difference. The 2026 national CLFS amount is $51.28, unchanged since 2020. The test is paid through the CLFS rather than the physician fee schedule.
This summary was written with AI assistance from CMS Clinical Laboratory Fee Schedule data. Amounts on this page come directly from CMS files.
How Medicare pays 84410
Clinical lab tests aren’t priced like physician services. They’re paid from their own fee schedule, with its own rules. See the whole lab fee schedule.
One national amount
CMS sets a single Clinical Laboratory Fee Schedule amount for 84410. There’s no geographic (GPCI) adjustment, so it pays the same in every state and payment locality.
No office or facility rate
Lab tests aren’t built from relative value units, so there’s no office and facility split: the place of service doesn’t change the CLFS amount.
Updated every quarter
CMS republishes the CLFS each quarter. New tests, often proprietary laboratory analyses (PLA codes), join during the year; existing amounts are updated each January.
Excluded from the physician fee schedule
The physician fee schedule lists 84410 with status X (excluded by statute), so the test itself is paid only from the CLFS.
84410 on the lab fee schedule since 2020
84410 · CLFS 2026 Q4 (current)
$51.28
Unchanged since Jan 1, 2020
27 quarterly CLFS releases on file, first CLFS 2020 Q1. A code missing from a quarter wasn’t on that release.
84410 compared with similar tests
- 84402Free testosteroneUnbound hormone fraction$25.47
- Use 84402 for a free testosterone assay. Use 84410 when the assay measures the bioavailable fraction, including albumin-bound testosterone.
- 84403TestosteroneTotal hormone level$25.81
- Use 84403 for total testosterone. Code 84410 reports the portion measured as bioavailable, not the total hormone concentration.
- 84270SHBG assayBinding protein level$21.73
- Code 84270 measures sex hormone-binding globulin, a binding protein; 84410 measures a testosterone fraction.
84410 billing questions
When should I report this instead of 84402?
Report 84410 when the performed assay measures bioavailable testosterone, which includes free and albumin-bound testosterone. Code 84402 represents a free testosterone assay.
How does this differ from total testosterone?
Code 84403 measures total testosterone, including bound and unbound fractions. Code 84410 measures the bioavailable fraction.
Can bioavailable and total testosterone be reported together?
They represent distinct assays. Report each only when that assay was ordered and performed, rather than using one code to represent the other.
Is this paid under the physician fee schedule?
No. Medicare pays this laboratory test through the CLFS, with one national amount across localities and no office or facility payment difference.
Does this code represent a free testosterone result?
No. It represents bioavailable testosterone, which includes the free and albumin-bound fractions. A free testosterone assay is reported with 84402.
Where this amount comes from
FeeBase reads lab amounts directly from the CMS Clinical Laboratory Fee Schedule file for the quarter: one row per code, with its payment indicator and national amount. Contractor-priced tests are labeled, never given a made-up amount. Amounts are Medicare payment limits, not a patient’s bill or a commercial rate.
CMS CLFS 2026 Q4 · effective Oct 1, 2026 through the day before Jan 1, 2027
Show the CMS file line behind this amount
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