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    v1.0.30
    OpenPayerBilling CodesTransfusion Medicine ProceduresCPT cpt-86900-abo-blood-typing-serum-plasma
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    CPT 86900: ABO Blood Typing Using Serum or Plasma

    CPT code 86900 describes a laboratory procedure in which a lab analyst determines a patient’s blood type within the ABO blood group system using serum or plasma as the specimen; this is a blood typing service typically performed in a clinical laboratory or hospital laboratory setting for pretransfusion testing, donor screening, or clinical diagnostic evaluation.

    For related coverage guidance, see recent payer policy updates: Hematology - Adzynma, Tumor Treating Fields for Pancreatic Cancer, Axicabtagene ciloleucel (Yescarta®) coverage.

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    Clinical & Coding Specifications

    Clinical Context

    A 29-year-old pregnant woman presents for routine prenatal blood testing during her first trimester. The clinical laboratory receives a serum specimen to determine her ABO blood group as part of prenatal screening and transfusion preparedness. The lab analyst performs serologic testing using the patients serum or plasma to identify ABO antigens by mixing patient serum with reagent A and B antisera and observing agglutination patterns. Results are documented in the laboratory information system and reported to the obstetric provider and the blood bank to inform Rh and antibody testing, eligibility for certain transfusion products, and clinical management during delivery or potential bleeding events.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    86900Blood typing; ABO group (serologic test using serum/plasma)Primary procedure to determine patients ABO blood group; establishes basic blood type for transfusion and prenatal care.
    86901Blood typing; Rh (D) (serologic test)Commonly performed alongside ABO typing to determine Rh status for transfusion and prenatal management.
    86905Antibody screen; RBC antibody screen, each patientPerformed with ABO/Rh testing to detect clinically significant antibodies that affect transfusion compatibility.
    86925Crossmatch; immediate spin compatibility testPerformed before transfusion after ABO/Rh and antibody screen to ensure donor compatibility.
    86999Unlisted transfusion medicine procedureUsed for atypical or specialized serologic procedures not described by standard codes in complex cases.

    Related Modifiers

    7 rows

    ModifierDescriptionWhen to Use
    26Modifier 26 (Professional Component) identifies and bills only the professional portion of a split service — the physician’s interpretation, report, and medical judgment — when the technical…- Use CPT Modifier -26 when you are billing only the professional component (PC) of a split‑bill eligible service—i.e., you performed the physician interpretation, medical judgment and prepared a…
    59Modifier 59 indicates a distinct procedural service when two procedures that are not normally billed together are clinically and procedurally separate. The CPT definition (as reiterated by CMS)…- Use modifier -59 to report a distinct procedural service when documentation supports that the procedure reported is not normally billed together with another service on the same day because of a…
    90Modifier ‑90 (Reference/Outside Laboratory) indicates that a laboratory test was performed by an entity other than the treating or reporting provider. The American Medical Association defines…- Use CPT modifier -90 when a laboratory test is performed by an outside/reference laboratory (an entity other than the treating or reporting physician or qualified professional) and the claim needs…
    91Modifier 91 — “Repeat Clinical Diagnostic Laboratory Test” — is appended when the exact same CPT laboratory test is performed more than once for the same patient on the same day because serial,…- Use modifier 91 when the exact same CPT laboratory test is performed more than once on the same patient on the same date because serial or repeated testing is medically necessary to monitor…
    95Modifier 95 indicates that a service was provided via synchronous, real‑time audio‑video telehealth rather than in‑person. Per CMS, AAPC and professional associations, append modifier 95 to claim…- Use modifier 95 to indicate a service was furnished via synchronous, real‑time audiovisual telehealth (a live audio‑video conference between patient and provider) rather than in‑person. - Pair…
    76Modifier -76, Repeat Procedure or Service by Same Physician or Other Qualified Health Care Professional, is appended when the same provider performs an identical, medically necessary procedure or…- Use modifier -76 when the same physician or other qualified health care professional performs an identical procedure or service a second (or subsequent) time on the same date of service and the…
    77Modifier 77 indicates that a previously performed procedure or service was legitimately repeated by a different physician or other qualified health care professional. The AMA’s CPT definition…- Use modifier 77 when a basic procedure or service already performed is repeated by a different physician or other qualified health care professional (for example, a second provider independently…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    207Q00000X
    208000000X
    207L00000X
    207YX0901X
    1223D0001X
    2085R0202X
    163WX0106X
    1835P1400X

    Related Payer Policy Updates

    Specialty: Hematology/Oncology1 / 3

    10 rows

    PolicyPayerEffective Date
    Hematology - AdzynmaCigna2026-10-15
    Tumor Treating Fields for Pancreatic Cancerselect_health2026-10-01
    Axicabtagene ciloleucel (Yescarta®) coverageBaylor Scott & White Health Plan2026-10-01
    Electric Tumor Treatment Field Therapy (for Kentucky Only)UnitedHealthcare2026-10-01
    Electric Tumor Treatment Field Therapy (for Kansas Only)UnitedHealthcare2026-10-01
    Electric Tumor Treatment Field Therapy (for Idaho Only)UnitedHealthcare2026-10-01
    Brexucabtagene autoleucel (Tecartus) CoverageBaylor Scott & White Health Plan2026-10-01
    Electric Tumor Treatment Field Therapy (for Pennsylvania Only)UnitedHealthcare2026-10-01
    Epithelial Cell Cytology in Breast Cancer Risk AssessmentOscar Health2026-10-01
    Factor VIII ProductsCigna2026-09-15

    Related Codes

    CPT-86850-RBC-ANTIBODY-SCREENING

    CPT 86850: Screening Test for Non‑A/B Red Blood Cell Antibodies

    CPT-86860-RBC-ELUTION-IMMUNOHEMATOLOGY-BLOOD-BANK

    CPT 86860: RBC Elution for Antibody Detection

    CPT-86870-RBC-ANTIBODY-IDENTIFICATION-IMMUNOHEMATOLOGY

    CPT 86870: Antibody Identification to Red Blood Cells

    CPT-86880-DIRECT-ANTIGLOBULIN-TEST-DAT-COOMBS

    CPT 86880: Direct Antihuman Globulin (Coombs) Test

    CPT-86885-INDIRECT-ANTIGLOBULIN-COOMBS-TEST

    CPT 86885: Indirect Antiglobulin (Coombs) Test for Serum Antibodies

    CPT-86886-INDIRECT-ANTIGLOBULIN-COOMBS-TEST-SERIAL-DILUTIONS

    CPT 86886: Indirect Antihuman Globulin (Coombs) Test

    CPT-86890-AUTOLOGOUS-BLOOD-COLLECTION-PROCESSING-STORAGE

    CPT 86890: Autologous Blood Collection, Processing, and Storage

    CPT-86891-INTRAOPERATIVE-BLOOD-SALVAGE-AUTOTRANSFUSION

    CPT 86891: Intraoperative Blood Salvage (Cell Salvage)

    CPT-86901-RH-BLOOD-GROUP-TYPING-SEROLOGIC-PLASMA-SERUM

    CPT 86901: Rh Blood Group Serologic Typing, Serum/Plasma

    CPT-86902-ANTIGEN-SCREENING-DONOR-BLOOD-UNIT

    CPT 86902: Antigen Screen of Donor Blood Unit

    Showing 1–10 of 38

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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