G2159 HCPCS Pneumococcal Reimbursement & Policy | OpenPayer

Summary & Overview

HCPCS G2159: Pneumococcal Vaccine Status or Prior Vaccine Reaction

HCPCS Level II code G2159 documents patients who either did not receive both the 13-valent pneumococcal conjugate vaccine and the 23-valent pneumococcal polysaccharide vaccine at least 12 months apart (with the first dose administered after age 60) or who have a prior pneumococcal vaccine adverse reaction. The code captures important preventive care and safety exceptions relevant to adult immunization quality measures and can affect reporting and population health assessments nationally. Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Readers will learn the clinical context for G2159, including which patient scenarios the code represents, the typical service type (vaccination status assessment and documentation), and common sites of service (outpatient and ambulatory care). The publication provides benchmarks and coding considerations, summarizes policy implications for immunization quality measurement, and outlines how G2159 interacts with national adult immunization efforts. Data not available in the input for associated taxonomies, ICD-10 diagnoses, and related codes are noted as unavailable in the input.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareG2159HCPCS Level IIpneumococcal vaccineadult immunizationpreventive carevaccine adverse reactionambulatory carequality measure

Billing Code Overview

HCPCS Level II code G2159 indicates that a patient did not receive both the 13-valent pneumococcal conjugate vaccine and the 23-valent pneumococcal polysaccharide vaccine at least 12 months apart, with the first occurrence after the age of 60 before or during the measurement period; or the patient has a prior pneumococcal vaccine adverse reaction any time during or before the measurement period.

Service type: Vaccination history assessment and documentation related to pneumococcal immunization status
Typical site of service: Outpatient clinical settings, primary care offices, and other ambulatory care sites where preventive immunization status is evaluated

Clinical & Coding Specifications

Clinical Context

A 68-year-old patient presents to a primary care clinic for an annual wellness visit. Their immunization record documents receipt of the 13-valent pneumococcal conjugate vaccine (PCV13) at age 61 but no subsequent pneumococcal polysaccharide vaccine (PPSV23) administered at least 12 months later. The clinician reviews prior vaccine history, documents the interval since PCV13, confirms there is no documented pneumococcal vaccine adverse reaction, and determines the patient is eligible for PPSV23. During the visit the clinician counsels the patient, documents the discussion and informed refusal if the patient declines, and either administers PPSV23 or documents the reason for not administering it (previous adverse reaction, medical contraindication, or patient refusal). Coding for this scenario uses G2159 when the patient did not receive both vaccines at least 12 months apart (first occurrence after age 60) or has a prior pneumococcal vaccine adverse reaction. Typical workflow steps include reviewing immunization history, assessing contraindications/allergies, shared decision-making, vaccine administration or documented refusal/contraindication, and coding/billing per payor rules. Typical sites of service are ambulatory primary care clinics, outpatient preventive care visits, and community vaccination clinics.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services

HCPCS G9292: Documentation of Medical Reason for Not Reporting Patient Category

HCPCS-G9382-END-OF-LIFE-PLAN-NOT-REVIEWED-OR-OFFERED-ASSISTANCE

HCPCS G9382: End-of-Life Plan Not Reviewed or Assistance Not Offered

HCPCS-G6010-RADIATION-DELIVERY-TWO-AREAS-MULTIPLE-BLOCKS-20MEV

HCPCS G6010: Radiation Delivery to Two Areas with Multiple Blocks

HCPCS-G9667-STATIN-NONUSE-MEDICAL-REASON-DOCUMENTATION

HCPCS G9667: Documentation of Medical Reason for Not Using Statin Therapy

HCPCS-G8910-PATIENT-FALL-DOCUMENTATION

HCPCS G8910: Patient Documented to Have Experienced a Fall

HCPCS-G8844-AHI-RDI-REI-NOT-DOCUMENTED-AFTER-INITIAL-OSA-EVALUATION

HCPCS G8844: Missing AHI/RDI/REI Documentation After Initial OSA Evaluation

HCPCS-G1027-HEMODIALYSIS-CATHETER-USE-LESS-THAN-3-MONTHS

HCPCS G1027: Hemodialysis Adult Patient-Months with Short-Term Catheter Use

HCPCS-G9143-WARFARIN-GENETIC-RESPONSIVENESS-TESTING

HCPCS G9143: Warfarin Genetic Responsiveness Testing

HCPCS-G8632-MISSED-PROPHYLACTIC-PARENTERAL-ANTIBIOTICS

HCPCS G8632: Missed or Delayed Prophylactic Parenteral Antibiotics

HCPCS-G2188-HEAD-IMAGING-NEW-OR-CHANGED-HEADACHE-OVER-50

HCPCS G2188: Head Imaging for New or Changed Headache in Patients Over 50

Showing 1–10 of 1996

Taxonomy Code	Specialty	Notes
`207Q00000X`	Family Medicine	Primary care clinicians who commonly evaluate and administer adult vaccines.
`207R00000X`	Internal Medicine	Clinic-based internists who manage adult preventive immunizations.
`363A00000X`	Nurse Practitioner	Advanced practice clinicians who frequently provide vaccine counseling and administration.
`363L00000X`	Physician Assistant	Clinicians who administer vaccines in outpatient and clinic settings.
`261QP0800X`	Public Health Nurse	Providers who deliver vaccines in community and public health clinic settings.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`Z23`	Encounter for immunization	Used to indicate an encounter for vaccine administration when PPSV23 is given.
`Z28.1`	Underimmunization status	Indicates patient has not received recommended pneumococcal vaccine schedule; applicable when immunizations are incomplete.
`Z28.3`	Encounter for immunization not carried out because of caregiver refusal	Used when patient or caregiver refuses vaccine administration.
`Z91.22`	Allergy to vaccines	Documents prior adverse reaction or allergy to a vaccine, relevant when PPSV23 is contraindicated.
`R68.89`	Other general symptoms and signs	Used to document nonspecific symptoms that might prompt deferral of vaccination if present (e.g., acute illness).

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`90471`	Immunization administration (includes percutaneous, intradermal, intramuscular, or subcutaneous) single vaccine	Used when a single pneumococcal vaccine dose (PPSV23) is administered during the visit.
`90472`	Immunization administration, each additional vaccine (list separately in addition to code for primary vaccine)	Used if PPSV23 is administered along with another vaccine during the same encounter.
`90732`	Pneumococcal polysaccharide vaccine, 23-valent (PPSV23), adult dosage	The vaccine product code for PPSV23; billed when PPSV23 is administered.
`90670`	Pneumococcal conjugate vaccine, 13-valent, pediatric/infant/child (PCV13)	Relevant when documenting prior PCV13 receipt in the vaccination history; not billed if given previously.
`G0447`	Face-to-face behavioral counseling for obesity, 15 minutes	Example of a preventive counseling code that may be billed on the same visit when counseling is provided; not specific to vaccination but sometimes used in preventive visits.

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