CPT 99439
Global ZZZ ActiveChrnc care mgmt staf ea addl
CPT 99439 Billing & Documentation Guide
CPT code 99439 (Chrnc care mgmt staf ea addl) is classified under E/M with a global period indicator of ZZZ. The 2026 Medicare Physician Fee Schedule assigns a work RVU of 0.7, a non-facility practice expense RVU of 0.76, and a malpractice RVU of 0.05, a total non-facility RVU of 1.51 and facility RVU of 0.92. With the current conversion factor of $33.4009, the national average non-facility reimbursement is approximately $51.78, though rates vary from $46.05 to $63.45 based on MAC locality and Geographic Practice Cost Indices (GPCIs).
When billing 99439, ensure documentation supports medical necessity and the specific components required for the code's level of service. For E/M codes, document MDM (medical decision-making) elements: problems addressed, data reviewed, and risk. For procedural codes, document the indication, technique, and any complications. Always verify NCCI edits before bundling 99439 with related codes; this code has 10 PTP bundling relationships on file (see table below).
Payment Status & Global Period
Active code (paid under MPFS)
Add-on code (global concept does not apply)
MUE Limit (Medically Unlikely Edits)
Submitting more than 2 units of 99439 for the same patient on the same date triggers automatic line denial unless an appropriate modifier and supporting documentation justify the higher quantity.
RVU Breakdown, CPT 99439
| Component | Non-Facility | Facility |
|---|---|---|
| Work RVU | 0.7 | 0.7 |
| Practice Expense RVU | 0.76 | 0.17 |
| Malpractice RVU | 0.05 | 0.05 |
| Total RVU | 1.51 | 0.92 |
| Conversion Factor | $33.4009 | |
2026 Medicare Reimbursement by State, CPT 99439
State-level averages across all MAC localities. Non-facility rates typically apply to office-based services; facility rates apply to hospital outpatient / inpatient.
| State | Non-Facility | Facility | Range (Non-Fac) | Localities |
|---|---|---|---|---|
| California | $55.16 | $31.84 | $52.49 - $63.45 | 29 |
| Florida | $52.1 | $32.33 | $50.16 - $54.03 | 3 |
| Georgia | $49.63 | $30.84 | $48.01 - $51.25 | 2 |
| Illinois | $51.18 | $32.14 | $49.17 - $52.89 | 4 |
| Michigan | $49.57 | $31.06 | $48.44 - $50.69 | 2 |
| North Carolina | $48.13 | $29.75 | $48.13 - $48.13 | 1 |
| New York | $55.08 | $33.09 | $48.67 - $58.16 | 5 |
| Ohio | $48.24 | $30.25 | $48.24 - $48.24 | 1 |
| Pennsylvania | $50.24 | $30.94 | $48.26 - $52.22 | 2 |
| Texas | $50.05 | $30.65 | $48.03 - $51.76 | 8 |
Source: CMS PFSRVU 2026 · Updated 2026-04-01. Full locality-level detail available for all 53 states, contact us for custom reports.
NCCI Bundling Edits, CPT 99439
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 99439 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 90951 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 90952 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 90953 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 90954 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 90955 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 90956 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 90957 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 90958 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 90959 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
| 90960 | Column 1 (primary), can be billed with modifier | No | CPT Manual or CMS manual coding instruction |
Frequently Asked Questions, CPT 99439
What does CPT code 99439 mean? +
CPT code 99439 represents: Chrnc care mgmt staf ea addl. It's in the E/M category with a global period of ZZZ.
What is the Medicare reimbursement for CPT 99439? +
The 2026 Medicare national average non-facility payment for CPT 99439 is $51.78. Rates range from $46.05 to $63.45 across 53 states depending on MAC locality and GPCIs.
What modifiers can I use with CPT 99439? +
E/M codes commonly use modifier 25 (significant separately identifiable E/M on same day as a procedure), 57 (decision for major surgery), 24 (unrelated E/M during global period), 95 (synchronous audio+video telehealth), 93 (audio-only telehealth), and AI (principal physician of record on admission). Surgical modifiers like 50, 51, 59 do not apply to E/M.
What bundling edits apply to CPT 99439? +
This code has 10 NCCI PTP bundling relationships. See the NCCI Bundling section below for full list.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team