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Jurisdiction JN Lab Billing Guide

The Medicare Part B billing reference for laboratories in Florida, Puerto Rico, U.S. Virgin Islands; molecular pathology coding, LCDs, frequency limits, TPE audit trends, and enrollment requirements, from TransLabs.
Jurisdiction JN
STATES / TERRITORIES PHONE · PORTAL CLAIM VOLUME BENEFICIARIES
  • Florida
  • Puerto Rico
  • U.S. Virgin Islands
1-855-366-2745 · FCSO Provider Portal ~280 million claims/year ~4.8 million Medicare FFS
STATES / TERRITORIES
  • Florida
  • Puerto Rico
  • U.S. Virgin Islands
PHONE · PORTAL
1-855-366-2745 · FCSO Provider Portal
CLAIM VOLUME
~280 million claims/year
BENEFICIARIES
~4.8 million Medicare FFS
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Jurisdiction about us

Overview

JN covers Florida; the state with the largest per-capita Medicare enrollment in the country, plus Puerto Rico and the U.S. Virgin Islands. Florida’s elderly, high-utilization Medicare population drives extraordinary clinical lab claim volumes. The state’s historical designation as a Medicare fraud hotspot has resulted in elevated pre-payment review activity, RAC audit presence, and UPIC scrutiny.

Molecular Diagnostic Billing in JN Not a MolDX Jurisdiction

First Coast Service Options does not participate in the MolDX program for JN. Labs billing molecular diagnostic tests, CPT codes in the 81XXX range, or most PLA codes do not need a Palmetto GBA DEX Z-Code to submit those claims; they bill under standard CPT/ICD-10 coding per the applicable LCD instead.

GOVERNING LCD

FCSO does not maintain a MolDX-specific LCD for JN. Molecular diagnostic labs in Florida bill standard CPT codes with ICD-10 linkage under general laboratory coverage policy — no Z-Code is required or accepted. Confirm current LCD text through the Medicare Coverage Database.

WHY IT MATTERS

Because JN isn’t a MolDX jurisdiction, the real compliance risk here is volume-driven: Florida is a designated Medicare high-fraud state, and urinalysis methodology coding — not molecular billing — is the single most common lab denial cause in this jurisdiction.

Key Lab LCDs in This Jurisdiction

These coverage areas drive the majority of routine lab denials in JN. LCD numbers move as the contractor retires and reissues policies, so confirm each one in the Medicare Coverage Database before citing it in a claim or appeal.
LCD Coverage Area Key Requirement
L35062 Glycated Hemoglobin (HbA1c) Standard quarterly policy. Florida's elderly diabetic population creates massive HbA1c volume.
L35095 Vitamin D Assay Standard documentation required. Florida's elderly population has high Vitamin D demand — without ICD-10 documentation, denial rates are high.
L34419 Urinalysis FCSO has specific guidance on urinalysis methodology coding. Automated strip UA (81003) vs. manual UA (81000/81001) must match actual methodology — a top denial source.
L34752 Urine Drug Testing Active LCD. Florida's pain management market and opioid epidemic have made drug testing a persistent compliance target.
L35396 Tumor Markers Active enforcement. Florida's large oncology market drives significant tumor marker billing.

Frequency Limits — Top Lab Tests

Frequency violations are one of the most common, and most avoidable, reasons JN claims get denied or clawed back on audit.
Test CPT Frequency Limit
HbA1c 83036 Standard quarterly. FCSO monitors labs with elevated same-beneficiary frequency
Vitamin D 82306 Annual; therapeutic monitoring exception with documentation
Urine Drug Screen 80305-80307 / G0480-G0483 Per written clinical protocol; FCSO monitors labs billing more than 12 definitive tests per year per patient
Urinalysis with microscopy 81001 No fixed frequency, but daily UA without documented clinical change triggers medical review
Tumor markers (general) 82378/86304/etc. Standard quarterly/surveillance framework

TPE Audit Activity

TPE activity in JN runs very high; JN is consistently one of the highest TPE-activity jurisdictions in the country:

Urinalysis methodology coding — automated strip vs. manual UA mismatches, the #1 lab denial cause in JN.

Urine drug screen frequency, given Florida’s active pain management market.

Vitamin D ICD-10 documentation and HbA1c frequency, both driven by Florida’s large elderly population.

Clinical chemistry panel miscoding, the same pattern seen across most jurisdictions.

GET AHEAD OF IT

Florida is a designated Medicare high-fraud state, which means every claim here should be documented as though it will be audited; because the odds of that happening are meaningfully higher than in most other jurisdictions.

Practical Lab Billing Notes

CRITICAL:

Florida is a designated Medicare High-Fraud state. Labs should maintain all documentation as if every claim will be audited.

Urinalysis methodology coding

is the #1 lab denial cause in JN. Ensure your LIS maps the correct CPT based on the actual method used.

Puerto Rico operations

require Spanish-language patient communication and awareness of PR Medicaid coordination.

FCSO does NOT participate in MolDX.

Molecular diagnostic labs in Florida bill standard CPT codes with ICD-10 linkage — no Z-Code required.

RAC activity is elevated in Florida

maintain at least 7 years of claims documentation.
Jurisdiction

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Provider Enrollment, ABN & CLFS

Area Requirement
Provider Enrollment CMS-855B for independent labs. FCSO provider enrollment is based in Jacksonville, FL.
ABN Requirements ABN required before any test with frequency or coverage limitations. FCSO requires current ABN forms — old versions are rejected.
CLFS / Fee Schedule Florida's large lab market makes CLFS rate accuracy critical. Audit FCSO remittances against CLFS quarterly given the volume.

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Frequently Asked Questions

Is Jurisdiction JN a MolDX jurisdiction?

No. First Coast Service Options does not participate in the MolDX program for JN. Labs bill molecular diagnostic tests using standard CPT codes with ICD-10 linkage — no Palmetto GBA DEX Z-Code is required.

What happens if a lab bills a molecular test in JN?

It's billed with standard CPT/ICD-10 coding under general laboratory coverage policy. No Z-Code applies.

Which states and territories does Jurisdiction JN cover?

Florida, Puerto Rico, and the U.S. Virgin Islands.

Why does JN have such high TPE activity?

Florida is a designated Medicare high-fraud state with the largest per-capita Medicare enrollment in the country. JN is consistently one of the highest TPE-activity jurisdictions nationally, led by urinalysis methodology coding errors.

How often can HbA1c be billed under JN?

Standard quarterly framework for stable diabetic patients. FCSO monitors labs with elevated same-beneficiary billing frequency.

What form is used for independent lab enrollment in JN?

CMS-855B, submitted to FCSO provider enrollment in Jacksonville, FL.

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