G9880 HCPCS Reimbursement & Policy Benchmarks | OpenPayer

Summary & Overview

HCPCS G9880: MDPP 5% Weight Loss Outcome Payment

HCPCS Level II code G9880 represents a one-time outcome payment within the Medicare Diabetes Prevention Program (MDPP) expanded model for beneficiaries who achieve at least 5% weight loss from baseline during months 1–12 of the MDPP services period. The payment is triggered the first time the beneficiary meets this threshold as documented by an in-person weight measurement at a core or core maintenance session. Nationally, this code formalizes value-based, outcome-driven reimbursement tied to measurable patient progress in a widely implemented preventive program for prediabetes.

Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the code’s clinical and administrative intent, the service type and typical sites of service, and what to expect in payer coverage and billing practice. The publication outlines benchmarks and performance contexts relevant to MDPP outcome payments, summarizes policy updates affecting outcome-based MDPP reimbursement, and provides clinical context on how the 5% weight-loss threshold aligns with diabetes prevention goals. Data not available in the input for payer-specific rates, associated taxonomies, ICD-10 mappings, and related codes are noted as unavailable.

AetnaBlue Cross Blue ShieldCignaUnitedHealthcareMedicareG9880HCPCS Level IIMDPPweight loss outcomediabetes preventionoutcome-based paymentpreventive servicesin-person measurement

Billing Code Overview

HCPCS Level II code G9880 denotes a one-time outcome payment under the Medicare Diabetes Prevention Program (MDPP) expanded model. The code applies when a beneficiary achieves at least 5% weight loss from their baseline weight during months 1–12 of the MDPP services period. The required weight measurement must be an in-person weight measurement taken at a core session or a core maintenance session.

Service type: Behavioral weight-loss outcome measurement / MDPP outcome payment

Typical site of service: Community-based or clinical in-person MDPP sessions (core or core maintenance sessions)

Clinical & Coding Specifications

Clinical Context

A 54-year-old Medicare beneficiary enrolls in the Medicare Diabetes Prevention Program (MDPP) Expanded Model (EM) and attends structured, in-person core sessions with an MDPP-trained lifestyle coach. Baseline vitals include measured weight and BMI. Over the course of the first 6 months of the core intervention, the beneficiary attends regularly and completes lifestyle and dietary counseling. At an in-person core session the coach obtains a documented, calibrated weight measurement showing a weight reduction of 6% from baseline. The MDPP administrative staff verifies attendance and the measured weight reduction, confirms the beneficiary is within months 1–12 of the MDPP services period, and submits a one-time HCPCS Level II claim for G9880 to Medicare.

Workflow steps:

Patient attends scheduled in-person MDPP core session where an authorized staff member obtains weight using a calibrated scale.
Coach documents baseline weight, current measured weight, percent weight change, attendance for required core sessions, and the date of the qualifying measurement in the beneficiary's MDPP record.
Administrative staff compiles supporting documentation (attendance logs, signed session notes, measured weight record) to meet Medicare MDPP documentation requirements.
Billing staff submits claim for G9880 to Medicare with appropriate claim-level modifiers as applicable and retains source documentation for audit and medical record review.
Payment is a one-time outcome-based payment triggered the first time a beneficiary achieves at least 5% weight loss from baseline during months 1–12 of the MDPP EM services period.

Coding Specifications

HCPCS G2013: Extensive In-Home Post-Discharge Visit, 75 Minutes

HCPCS-G8577-CARDIAC-RE-EXPLORATION-FOR-MEDIATORNAL-BLEEDING-UNPLANNED-INTERVENTION

HCPCS G8577: Cardiac Re-exploration for Postoperative Complications

HCPCS-G8979-MOBILITY-WALKING-MOVING-AROUND-ASSESSMENT

HCPCS G8979: Mobility Assessment for Walking & Moving Around

HCPCS-G0917-PATIENT-CARE-SURVEY-NOT-COMPLETED

HCPCS G0917: Patient Care Survey Not Completed by Patient

HCPCS-G9691-HOSPICE-SERVICES-DURING-MEASUREMENT-PERIOD

HCPCS G9691: Patient Received Hospice Services During Measurement Period

HCPCS-G9705-BREAST-CANCER-STAGE-T1B

HCPCS G9705: AJCC Breast Cancer Stage I, T1b

HCPCS-G0365-HEMODIALYSIS-ACCESS-VESSEL-MAPPING

HCPCS G0365: Hemodialysis Access Vessel Mapping

HCPCS-G2146-POSTOPERATIVE-LEG-PAIN-OUTCOME-VAS-IMPROVEMENT

HCPCS G2146: Postoperative Leg Pain Outcome (VAS Improvement)

HCPCS-G0461-IMMUNOHISTOCHEMISTRY-FIRST-ANTIBODY-STAIN

HCPCS G0461: Immunohistochemistry / Immunocytochemistry, First Antibody Stain

HCPCS-G0522-DEMENTIA-NEW-PATIENT-LOW-COMPLEXITY-MANAGEMENT

HCPCS G0522: Management of New Patient with Dementia, Low Complexity

Showing 1–10 of 1996

Modifier	Description	When to Use
`00`	No modifier — standard coding	Use when no special circumstances apply to the claim for `G9880`.
`52`	Reduced services	Use if the MDPP session or measured service was partially reduced in scope but still qualifies for outcome verification.
`53`	Discontinued procedure	Use if the beneficiary discontinued the MDPP service on the day of measurement and special reporting is required.
`95`	Synchronous telemedicine service rendered via real-time interactive audio and video	Use only if remote verification was permitted by payer policy for outcome documentation (rare for in-person measurement requirement).
`AS`	Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery (note: sometimes payer-specific)	Use only if payer requires reporting of non-physician clinician taxonomy/role when they obtained the qualifying measurement per payer guidance.
`CO`	Contractual obligation	Use for adjustments related to contractual obligations with the payer, per billing department guidance.
`CQ`	Service furnished under a Medicare demonstration or pilot program waiver	Use if the MDPP EM variant is billed under a demonstration or waiver that requires this modifier.
`QX`	Ordering, certifying or referring professional service / non‑physician practitioner	Use if policy requires differentiation of non‑physician practitioner involvement in care coordination for MDPP outcome reporting.
`QY`	Location of services — inpatient or other facility where services are required by payer reporting	Use if payer requires location-specific reporting for outcome-based payments.
`FY`	Hospice modifier (palliative care reporting)	Use only if the beneficiary is under a hospice election and payer guidance specifically allows reporting for MDPP-related claims (uncommon).

Taxonomy Code	Specialty	Notes
`163W00000X`	Registered Dietitian	Often provides nutrition counseling and documents weight measures and lifestyle intervention progress in MDPP.
`367500000X`	Health Promotion/Disease Prevention Specialist	Commonly delivers MDPP lifestyle coaching and documents attendance and weight outcomes.
`363A00000X`	Nurse Practitioner	Provides clinical oversight, confirms measurements, and addresses clinical comorbidities during MDPP participation.
`103K00000X`	Physician (Family Medicine)	Refers eligible patients to MDPP, provides medical clearance when needed, and may document baseline weights.
`207Q00000X`	Physician (Internal Medicine)	Manages comorbid conditions (e.g., prediabetes) and coordinates referral and outcome documentation for MDPP.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`E66.3`	Overweight	Identifies beneficiaries with elevated weight status who may meet eligibility or be targeted for MDPP lifestyle interventions aimed at weight reduction.
`E66.9`	Obesity, unspecified	Common comorbidity for participants in weight-loss–focused MDPP programs and relevant to documenting baseline risk.
`R63.4`	Abnormal weight loss	Used to document clinically significant weight change when tracking outcomes; supports documentation when weight change is clinically notable.
`R63.5`	Abnormal weight gain	Included to document weight trends; useful for baseline characterization and comparison to measured weight loss.
`R73.09`	Other abnormal glucose	Supports documentation of prediabetes or abnormal glucose findings when MDPP is part of diabetes prevention efforts.
`R73.01`	Impaired fasting glucose	Commonly used to document prediabetes status that qualifies beneficiaries for MDPP services and supports clinical relevance of weight-loss outcomes.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99213`	Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutes	Used for clinic visits where baseline evaluation, counseling, or documentation of MDPP enrollment and measured weight may occur prior to or during program participation.
`99401`	Preventive medicine counseling and/or risk factor reduction intervention(s) provided to an individual, approximately 15 minutes (historical; use current counseling codes as payer allows)	Historically used for individual counseling visits related to lifestyle modification; may be substituted by payer-specific behavioral counseling codes when delivering MDPP services documentation.
`G0447`	Face-to-face behavioral counseling for obesity, 15 minutes	May be billed by eligible practitioners for obesity counseling visits that align with MDPP behavioral education sessions when payer policy permits concurrent coding.
`99406`	Smoking and tobacco use cessation counseling visit, intermediate, greater than 3 minutes up to 10 minutes	May be performed alongside MDPP sessions when addressing tobacco use as part of lifestyle risk reduction and documented in the beneficiary record.
`99078`	Physician educational services in a group setting (e.g., patient education)	Used for group educational sessions related to diabetes prevention and lifestyle modification that support MDPP core sessions when payer policies allow group education coding.

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