CPT 87081: Targeted Single-Organism Culture
CPT code 87081 denotes a targeted laboratory culture where a specimen is inoculated onto a medium designed to grow only a specific pathogenic organism. This procedure is central to precise microbiologic diagnosis, infection control, and targeted antimicrobial therapy, making it significant across clinical laboratories nationwide. The code represents a focused diagnostic test that supports rapid identification of certain pathogens and can influence treatment selection and public health surveillance.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a national-level overview of the clinical context for CPT code 87081, how the service is typically delivered in laboratory settings, and what stakeholders should understand about its use. The publication outlines benchmark payment considerations, common billing modifiers (listed separately), and policy or coding guidance changes where applicable. It also provides practical context for laboratory managers, coding professionals, and health system administrators about when a targeted single-organism culture is appropriate and how it fits within broader microbiology testing strategies.
Data not available in the input for payer-specific rates, associated taxonomies, and ICD-10 mappings. The report focuses on clinical description, service setting, and coding context for national audiences rather than state-level specifics.
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Billing Code Overview
CPT code 87081 describes a laboratory procedure in which the lab analyst cultures a patient specimen on a test medium formulated to grow only a specific pathogenic organism. This service is a targeted culture aimed at isolating a single suspected pathogen rather than broad-spectrum or mixed-organism cultures.
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Service type: Laboratory culture focused on a single pathogenic organism
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Typical site of service: Clinical laboratory or hospital laboratory where microbiology cultures are performed
Data not available in the input for payers, associated taxonomies, ICD-10 diagnoses, and related codes.
Clinical & Coding Specifications
Clinical Context
A patient presents to an outpatient clinic or emergency department with signs and symptoms suggestive of infection caused by a specific pathogen (for example, suspected Group A Streptococcus pharyngitis, Clostridioides difficile colitis, or Neisseria gonorrhoeae infection). A clinician collects an appropriate specimen (throat swab, stool, urethral/cervical swab) and sends it to the laboratory with an order to culture on a selective medium designed to grow only the suspected organism. In the clinical workflow the specimen is received at the microbiology laboratory, logged, and plated onto the selective culture medium. The lab analyst incubates and monitors the culture for growth consistent with the target organism, performs identification tests if growth occurs, and reports results to the ordering provider for targeted therapy decisions. Typical sites of service include outpatient clinics, urgent care centers, hospital outpatient laboratories, and hospital inpatient laboratories. Equipment and supplies are limited to selective media and standard microbiology incubators; turnaround time varies from overnight to several days depending on organism and confirmatory testing needs.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | When a physician or qualified provider performs the professional component (interpretation) separate from the facility's technical work |
59 | Distinct procedural service | When this culture is distinct and independent from other services provided to the same patient on the same day |
62 | Two surgeons/dual performing providers | Rarely applicable; when two qualified providers share performance responsibilities for the specimen processing or procedure |
78 | Unplanned return to the operating/procedure room by same physician following initial procedure | Only applicable if this culture were tied to a procedural episode requiring re-entry; typically not used for stand-alone cultures |
90 | Reference (outside) laboratory | When the specimen or portion of testing is sent to an outside reference laboratory for the culture or confirmatory testing |
91 | Repeat clinical diagnostic laboratory test | When the culture is repeated on the same patient for verification within a defined interval |
95 | Synchronous telemedicine service rendered via real-time interactive audio and video | If the ordering provider documents a telemedicine encounter tied to the culture order (rare for the lab service itself) |
QW | CLIA waived test | Not typically used for selective cultures; only if a waived method is legitimately used and the payer recognizes QW |
TC | Technical component | When reporting just the laboratory's technical work (specimen handling and culture) separate from the professional interpretation |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
| 330000000X | Pathology | Clinical microbiology services and laboratory interpretation |
| 207L00000X | Infectious Disease | Ordering providers who commonly request organism-specific cultures |
| 208D00000X | Emergency Medicine | Providers in urgent care/ED who collect specimens and order targeted cultures |
| 261QU0200X | Clinical Laboratory | Medical technologists and laboratory directors performing culture processing |
| 363LF0000X | Family Medicine | Primary care providers who order cultures in outpatient settings |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
J02.0 | Streptococcal pharyngitis | Selective culture for Group A Streptococcus when rapid test is negative or confirmatory culture is required |
A04.7 | Enterocolitis due to Clostridioides difficile | Stool culture or selective media use when C. difficile is suspected and culture or toxigenic testing is needed for confirmation |
A54.00 | Gonococcal infection of unspecified site | Selective culture on Thayer-Martin or gonococcal media for Neisseria gonorrhoeae when culture is indicated |
B95.1 | Streptococcus, group A, as the cause of diseases classified elsewhere | Used as an add-on code to identify the organism when culture confirms Group A Streptococcus |
N76.0 | Acute vaginitis | When specific pathogen-directed cultures (e.g., for Trichomonas or Candida) are indicated in evaluation |
J15.9 | Bacterial pneumonia, unspecified | Sputum cultures on selective media may be used when a specific pathogenic organism is suspected |
K65.0 | Acute peritonitis | Peritoneal fluid cultured on selective media to identify a suspected pathogen |
L03.90 | Cellulitis, unspecified | Wound or tissue cultures on selective media when a particular organism is suspected or for directed therapy |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
87070 | Culture, bacterial; any source, aerobic, with isolation and presumptive identification of isolates | Often performed alongside or as an alternative when a broad aerobic culture is needed rather than a selective culture for a single pathogen |
87086 | Culture, fungal, any source, with isolation and presumptive identification of isolates | Performed when fungal infection is suspected in addition to or instead of organism-specific bacterial culture |
87491 | Infectious agent detection by nucleic acid (DNA or RNA); direct probe technique, qualitative or quantitative, for organisms such as Group A Streptococcus | Molecular testing that may be used in parallel or as a confirmatory/rapid alternative to culture for the same suspected organism |
87591 | Infectious agent antigen detection by immunoassay with direct optical observation; Streptococcus, group A | Rapid antigen tests that may precede culture; culture performed when confirmation or susceptibility testing is required |
87210 | Smear, primary source with interpretation; Gram or Giemsa stain | Performed prior to or concurrently with culture to provide immediate microscopic information guiding culture interpretation |