Summary & Overview
CPT 0590U: BIOTIA ID™ Urine NGS Assay for Uropathogen Detection
CPT code 0590U designates the BIOTIA ID™ Urine NGS Assay, a proprietary molecular diagnostic that sequences microbial DNA from urine to identify 44 potential uropathogens, reporting each as present or absent. As a PLA code, 0590U applies only to a single manufacturer's test and signals the growing use of targeted next-generation sequencing (NGS) panels in infectious disease diagnostics. Nationally, proprietary NGS-based urine testing is significant for guiding antimicrobial stewardship, improving pathogen detection in complicated urinary infections, and informing clinical decision-making where traditional culture may be limited.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of what the code represents, the clinical context for urine NGS testing, typical sites of service, and how PLA designation affects coding specificity. The publication outlines expected benchmarking topics such as coverage patterns, utilization drivers, and reimbursement considerations for proprietary laboratory tests, as well as policy updates affecting PLA codes and implications for laboratory and clinician billing workflows. The content is designed for a national audience of lab billing professionals, clinicians ordering molecular diagnostics, and payer policy analysts.
Billing Code Overview
CPT code 0590U is a Proprietary Laboratory Analyses (PLA) code that specifically identifies the BIOTIA ID™ Urine NGS Assay from Biotia Inc. The assay sequences microbial DNA directly from urine to detect 44 potential uropathogens and reports each organism as present or absent.
Service type: Molecular diagnostic, next-generation sequencing (NGS) microbial detection assay.
Typical site of service: Clinical laboratory testing on urine specimens; results used to inform outpatient or inpatient clinical care.
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Clinical & Coding Specifications
Clinical Context
A 58-year-old female presents to a urology clinic with recurrent symptoms of dysuria, urinary frequency, and urgency despite prior empiric antibiotic courses. Urine dipstick and standard culture were inconclusive or showed mixed flora. The clinician orders the BIOTIA ID™ Urine NGS Assay (0590U) to identify a broad panel of 44 potential uropathogens by sequencing microbial DNA directly from a clean-catch or catheterized urine sample. The clinical workflow: specimen collection in the outpatient clinic or hospital; secure packaging and shipment to the performing laboratory; laboratory receipt and processing using the proprietary NGS assay; generation of a report indicating each organism as present or absent; clinician review of results to guide targeted antimicrobial selection or further diagnostic evaluation. Typical sites of service include outpatient clinics, ambulatory surgical centers, emergency departments, and inpatient hospital settings where urine specimens are collected and sent to a reference laboratory.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when documentation supports substantially greater effort or complexity in specimen handling or reporting beyond the typical assay workflow. |
52 | Reduced services | Use when only a partial assay is performed or when testing is truncated for clinical reasons. |
53 | Discontinued procedure | Use when testing was started but discontinued prior to completion for patient safety or specimen issues. |
26 | Professional component | Use when reporting the interpreting professional component separate from technical laboratory component, if applicable and payable. |
TC | Technical component | Use when reporting only the laboratory technical component of the test when the performing lab bills the technical portion. |
59 | Distinct procedural service | Use when this assay is a distinct service from other performed laboratory tests on the same date and documentation supports separate reporting. |
90 | Reference (outside) laboratory | Use when the test is performed by an outside, independent laboratory and billed by the ordering/testing laboratory accordingly. |
91 | Repeat clinical diagnostic lab test | Use when the assay is repeated on the same specimen or within a short interval for verification. |
XE | Separate encounter - distinct service | Use when service is performed in a wholly separate encounter from other services provided the same day. |
XP | Separate practitioner - distinct service | Use when another practitioner performs the service distinct from other services billed by the provider. |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
| 208000000X | Urology | Providers ordering urine NGS for recurrent or complicated urinary tract infections. |
| 207Q00000X | Family Medicine | Primary care clinicians ordering advanced testing for unresolved urinary symptoms. |
| 207R00000X | Internal Medicine | Hospitalists and internists managing complicated UTI or sepsis workups. |
| 1223P0001X | Clinical Pathology | Laboratory directors overseeing test performance and interpretation. |
| 2086S0122X | Infectious Disease | Specialists interpreting complex results and guiding targeted antimicrobial therapy. |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
N39.0 | Urinary tract infection, site not specified | Common indication for urine NGS testing when standard culture is negative or inconclusive. |
N30.9 | Cystitis, unspecified | Acute or recurrent cystitis where detailed pathogen identification may guide therapy. |
N10 | Acute tubulo-interstitial nephritis | Considered when atypical pathogens or immune-mediated processes are suspected and urine testing may aid evaluation. |
N76.0 | Acute vaginitis | Genitourinary symptoms overlapping with urinary infection where urine pathogen testing can assist differentiation. |
R82.71 | Bacteriuria, positive | Molecular assay can confirm presence of bacterial DNA when bacteriuria is suspected or culture is equivocal. |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
81002 | Urinalysis, by dipstick or tablet reagent; non-automated, without microscopy | Performed at point of care prior to ordering 0590U to screen for hematuria, nitrites, or leukocyte esterase. |
87086 | Culture, bacterial; quantitative colony count, urine (e.g., plating, colony count) | Traditional urine culture often performed alongside or prior to 0590U for organism growth and susceptibilities. |
87481 | Infectious agent detection by nucleic acid (DNA or RNA); Chlamydia trachomatis, direct probe technique | Example of other molecular urine tests that may be ordered in differential diagnosis of genitourinary infection. |
87624 | Infectious agent detection by nucleic acid (DNA or RNA); Neisseria gonorrhoeae, amplified probe technique | Another nucleic acid test used in genitourinary infection testing algorithms. |
0055U | Proprietary Laboratory Analyses (PLA) — example molecular urine test | Other PLA or molecular assays commonly performed by reference labs; may be ordered concurrently or as alternative molecular diagnostics. |