CPT 88380Laboratory

Microdissection laser

CPT 88380 covers laser microdissection, a specialized laboratory technique that uses a laser to precisely isolate specific cells or tissue areas from a sample for detailed molecular or genetic analysis.

Showing rates for

National Average

Base Medicare rate

$122.27

This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.

RVU breakdown

Work RVU

1.14

PE RVU (NF)

2.59

MP RVU

0.05

Total RVU

3.78

Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High

NCCI bundling edits

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Billing tips

Always link 88380 to a corresponding molecular pathology or genetic testing CPT code that uses the microdissected tissue, as standalone billing without downstream analysis often triggers medical necessity denials
Impact: Prevents 30-40% of common denials related to medical necessity documentation
Document the specific reason laser microdissection was necessary rather than standard tissue processing, including tumor cellularity percentages and why precise cell isolation was clinically indicated
Impact: Increases first-pass claim approval rate by approximately 25-35% based on medical necessity validation
Bill 88380 per specimen microdissected, not per laser capture event; if multiple distinct anatomic sites require microdissection, append appropriate modifiers (59 or XS) to additional units
Impact: Proper unit reporting can increase reimbursement by $122.27 per additional qualified specimen with correct modifier usage
Ensure the pathology report explicitly describes the microdissection procedure, including the target cell population, laser system used, and estimated number of cells captured
Impact: Reduces audit risk and appeals by 40-50% when documentation clearly supports the technical service
Verify that the ordering physician's documentation supports the medical necessity for molecular testing requiring microdissection, particularly for oncology cases where tumor purity impacts test accuracy
Impact: Strengthens medical necessity defense and reduces payer challenges that could delay payment by 30-60 days
Check LCD/NCD policies for molecular testing procedures, as some payers require pre-authorization for the complete testing panel including microdissection components

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Frequently asked questions

What is the Medicare reimbursement rate for CPT code 88380 in 2025?

The 2025 Medicare national average reimbursement rate for CPT 88380 is $122.27 for both facility and non-facility settings. This rate is based on a total RVU of 3.78 (Work RVU: 1.14, PE RVU: 2.59, MP RVU: 0.05) multiplied by the 2025 conversion factor of 32.3465.

Can CPT 88380 be billed with molecular pathology codes on the same date of service?

Yes, CPT 88380 can and should be billed with molecular pathology codes (such as 81200-81479 series or 88271-88275) when the microdissected tissue is used for those tests. However, proper documentation must demonstrate that laser microdissection was a distinct preparatory procedure medically necessary for accurate molecular analysis, and modifier 59 or XS may be required to prevent bundling denials.

How many times can I bill CPT 88380 for a single patient encounter?

You can bill 88380 multiple times per encounter if microdissection is performed on distinct specimens from different anatomic sites or for separate clinical indications. Each unit billed must be supported by documentation showing separate microdissection procedures, and modifiers 59 or XS should be appended to additional units to indicate distinct procedural services and prevent automatic bundling.

What documentation is required to support medical necessity for CPT 88380?

Required documentation includes the clinical indication for microdissection, description of the target cell population, explanation of why standard tissue processing was inadequate, the downstream molecular test requiring pure cell populations, tumor cellularity percentages if applicable, and detailed pathology report describing the laser microdissection procedure performed including equipment used and cells captured.

Is pre-authorization required for billing CPT code 88380?

Pre-authorization requirements vary by payer and specific clinical indication. While Medicare typically does not require pre-authorization for 88380 alone, many commercial payers require pre-authorization for the complete molecular testing panel that includes microdissection. Always verify the specific policy with the patient's payer, especially when billing with high-cost genomic or molecular pathology codes.

What is the difference between CPT 88380 and manual microdissection?

CPT 88380 specifically describes laser microdissection using specialized equipment with laser technology to precisely cut and capture targeted cells. Manual microdissection (scraping or cutting tissue without laser guidance) is not separately reportable and is considered part of standard tissue processing included in other pathology codes. Only laser-assisted microdissection qualifies for 88380 billing.

Which medical specialties most commonly bill CPT code 88380?

CPT 88380 is primarily billed by pathology departments and laboratories, including anatomic pathologists, molecular pathologists, hematopathologists, and dermatopathologists. The service is typically performed in hospital-based pathology laboratories, reference laboratories, academic medical centers, and specialized molecular diagnostic facilities with CLIA certification for high-complexity testing and appropriate laser microdissection equipment.