Geriatric Medicine Billing & Coding Guide
Annual Wellness Visits, advance care planning, polypharmacy MTM, transitional care after discharge.
Common Geriatric Medicine CPT Codes
Ranked by claim frequency, with current MPFS work RVUs and global periods.
| Code | Description | Work RVU | Total RVU | Global |
|---|---|---|---|---|
| 99483 | Assmt & care pln pt cog imp | 3.84 | 8.77 | XXX |
| 99497 | Advncd care plan 30 min | 1.50 | 2.60 | XXX |
| 99498 | Advncd care plan addl 30 min | 1.40 | 2.34 | ZZZ |
| 99490 | Chrnc care mgmt staff 1st 20 | 1.00 | 1.98 | XXX |
| 99491 | Chrnc care mgmt phys 1st 30 | 1.50 | 2.67 | XXX |
| 99439 | Chrnc care mgmt staf ea addl | 0.70 | 1.51 | ZZZ |
| 99213 | Office o/p est low 20 min | 1.30 | 2.85 | XXX |
| 99214 | Office o/p est mod 30 min | 1.92 | 4.06 | XXX |
| 99215 | Office o/p est hi 40 min | 2.80 | 5.76 | XXX |
| 99221 | 1st hosp ip/obs sf/low 40 | 1.63 | 2.23 | XXX |
| 99231 | Sbsq hosp ip/obs sf/low 25 | 1.00 | 1.32 | XXX |
| 99232 | Sbsq hosp ip/obs moderate 35 | 1.59 | 2.11 | XXX |
| 99238 | Hosp ip/obs dschrg mgmt 30/< | 1.50 | 2.24 | XXX |
| 99490 | Chrnc care mgmt staff 1st 20 | 1.00 | 1.98 | XXX |
| 99497 | Advncd care plan 30 min | 1.50 | 2.60 | XXX |
| 96125 | Cognitive test by hc pro | 1.70 | 3.08 | XXX |
What Geriatric Medicine practices are leaving on the table
High-value services that consistently get under-billed across the specialty. Each one is rooted in current 2026 fee schedule and policy updates.
Chronic Care Management (99490 initial, 99439 add-on) is under-billed by 40-60% in Geriatric Medicine practices despite high prevalence of multiple chronic conditions. Average CPT 99490 reimbursement is $65-$75 per claim; practices missing this on 10 patients per week = $33,800-$39,000 annual loss. Workflow fix: add CCM eligibility screen to intake (>1 chronic condition + plan of care required) and assign staff time tracking to care coordinator.
Cognitive Impairment Assessment and Care Plan (99483) reimbursement $250-$290 per claim (work RVU 3.84). Under-billed when geriatric practices perform cognitive screening but code only as 99214 instead of 99483. Conservative estimate: 5 missed claims per week = $65,000-$75,400 annual opportunity. Trigger: formal assessment with documented care plan addressing cognitive impairment (safety, ADL supports, referrals).
Physician-led Chronic Care Management (99491) at $90-$110 per claim is billed at <30% of eligible geriatric patient population. Requires physician (not staff) to spend 30+ minutes in non-visit care coordination monthly. Many practices delegate all CCM to MA/RN, missing 99491 revenue. Remedy: identify 5-10 complex geriatric patients monthly where physician personally reviews labs, medication optimization, or caregiver coordination; log time and bill 99491.
Advanced Care Planning (99497/99498) reimbursement $150-$180 for initial 30 min, $120-$140 for additional sessions. Grossly under-utilized in Geriatric Medicine despite CMS emphasis on ACP for high-risk populations. 1-2 ACP sessions per month per 100-patient panel = $1,800-$4,320 annual opportunity per provider. Documentation focus: include specific advance directive elements discussed, surrogate decision-maker identified, and documented agreement in chart.
Code pairs that auto-bundle to CO-97
From the National Correct Coding Initiative for Geriatric Medicine. The rationale tells you when a modifier legitimately bypasses the edit and when it cannot.
99483 (cognitive impairment assessment) bundles with same-day established office visit (99214) unless the assessment is distinctly separate in time/scope. Modifier 25 requires documented medical decision-making separate from the E/M. Without clear chart notes showing two distinct service times or separate problem lists, claim will deny as inclusive.
Chronic care management by physician (99491) cannot be billed same-day as office visit (99214) per CMS bundling rules. CCM requires 30+ minutes of non-face-to-face work during the calendar month. Billing both triggers NCCI pair denial; separate by date or use modifier 59 only if documentation proves distinct care coordination activity outside the visit.
Advanced care planning codes (99497 initial, 99498 additional) cannot both be billed same day unless 99498 documents additional 30-minute session. Many practices bill 99497 + 99498 as single encounter. This is a frequent RAC target; require separate timed documentation for each unit of service.
Cognitive testing (96125) bundled into 99483 (cognitive impairment assessment and care plan). Separate billing requires modifier 59 with documentation proving the test is distinct from the assessment (e.g., formal neuropsych battery vs. bedside screening). Without this distinction, claim denies under NCCI pair rules.
Modifier Guidance for Geriatric Medicine
When each modifier legitimately applies in this specialty, with denial-pattern context and audit-defense documentation.
Modifier 25 appended to E/M (e.g., 99214-25) when a significant, separately identifiable service (like 96125 cognitive testing) occurs same day. Example: Patient presents for routine diabetes management (99214) and undergoes formal MoCA cognitive screening (96125) due to new memory complaints. Document separate medical decision-making, separate time, and separate problem focus in note to defend modifier 25.
Modifier 59 used when codes normally bundled are performed as distinct procedural services. In Geriatric Medicine, apply 59 to 99483-59 if billed with 99214 on same day and chart clearly documents the assessment occurred at distinct time with separate clinical rationale (e.g., CCM referral triggering formal cognitive evaluation). Overuse of 59 triggers RAC audits; ensure documentation proves clinical necessity of separation.
Modifier GP appended to physical therapy services (not in this CPT set but relevant context). When geriatric patient receives PT evaluation under PT plan of care same day as physician visit, append GP to PT code to signal plan-of-care delivery distinction. Not applicable to the 19 core Geriatric Medicine codes listed.
Documentation requirements
What needs to live in the encounter note for these codes to survive a payer audit.
- Separate timed encounter notes for each E/M code billed same day (e.g., time in/out stamps for 99214 vs. 99483 blocks) to defend modifier 25 or 59 usage and defeat bundling denials.
- Cognitive assessment score and result (MoCA, MMSE, or equivalent) when billing 96125 or 99483, with baseline comparison to prior assessment if available, per CMS LCD expectations.
- Care plan documentation showing medical decision-making specific to cognitive impairment, functional decline, or behavioral concerns when billing 99483; generic plans trigger medical necessity denials.
- Non-face-to-face work log (date, time spent, activity type: care coordination, caregiver calls, medication reviews) for any 99490, 99491, or 99439 claim to defend the 20-30 minute threshold and defeat 'no service performed' denials.
- Advance directive status, surrogate decision-maker identity, and goals-of-care discussion summary in chart when billing 99497/99498 (advanced care planning); CMS and commercial plans audit for documentation of actual conversation.
- Medication reconciliation list with date and comparison to previous list when billing CCM codes (99490, 99491), as OIG Work Plan targets CCM billing accuracy and this is a common audit finding in Geriatric Medicine.
OIG and audit triggers in Geriatric Medicine
Patterns that show up in OIG Work Plans, RAC audits, and CERT improper payment reviews. Build internal compliance checks around these.
OIG Work Plan 2024-25 targets Chronic Care Management (99490, 99491, 99439) billing accuracy, specifically whether practices document 20+ minutes of non-face-to-face work per month. Geriatric Medicine practices frequently overbill CCM without corresponding staff time logs. Defense requires timestamped care coordination notes (calls to caregivers, medication reviews, lab result management) in EHR or separate log.
RAC pattern: Cognitive impairment assessment (99483) billed with office visit (99214) same day without modifier 25 or 59. RAC audits geriatric claims for bundling violations; practices that bill both codes without modifier or separate documentation face 100% denial rates on 99483. Remedy is mandatory modifier 25/59 and time-separated chart documentation.
CMS LCD for cognitive testing (96125) requires professional administration by qualified healthcare provider (physician, NP, PA, or licensed psychologist). Many Geriatric Medicine practices have MA/RN administer screening without appropriate supervision coding, resulting in denial under 'non-qualified personnel' rationale. Ensure provider supervision is documented and billed with correct descriptor.
Advance Care Planning (99497, 99498) is audited for 'lack of medical necessity' when billed for routine visits without documented serious illness, frailty indicators, or goals-of-care discussion notes. Practices that bill ACP codes for all geriatric patients face denial. Chart must show clinical driver: new diagnosis, functional decline, or patient/family request for advance directive discussion.
Payer-specific billing notes
Where the major payers diverge from generic Medicare rules in Geriatric Medicine.
ME Medicare +
CMS LCD for Cognitive Impairment Assessment (99483) requires patient age 65+, Medicare Part B beneficiary, and documented cognitive complaint or impairment. No prior authorization required. 2024 reimbursement increased to $237.12 (non-facility). For Chronic Care Management (99490/99491), CMS requires written care plan addressing at least 2 chronic conditions and patient consent; monthly minimum 20 minutes non-visit work. Recent policy clarification (2025): telehealth delivery of CCM is payable but must be same geographic region; multi-state practices must bill by patient location, not provider location.
UN UnitedHealthcare +
UHC Optum delegates Geriatric Medicine medical policy to regional networks. Prior authorization required for 99483 (cognitive assessment) only if billed more than twice per calendar year for same patient; requires chart note supporting cognitive decline or new neurologic concern. UHC bundles 99497 (advanced care planning) with office visit (99214/99215) on same day unless modifier 25 appended with separate medical record documentation. No separate 99490/99491 CCM authorization required but UHC audits for non-visit work log at claim review.
AN Anthem +
Anthem ICR (Integrated Care Review) requires pre-authorization for 99483 (cognitive impairment assessment) if billed in same episode as behavioral health service (therapy, psychiatric eval) within 30 days; claims denied automatically without pre-auth note. Anthem bundles 99491 (physician CCM) with office visit; modifier 25 accepted only with separate chart timing (e.g., CCM work logged on different date than visit date). Anthem medical policy (2024) caps 99490/99491 at 1 claim per patient per month regardless of condition count.
CI Cigna +
Cigna eviCore (if delegated to your state) does not require prior authorization for Geriatric Medicine E/M codes or CCM services. However, Cigna's medical policy requires 99483 documentation to include functional impact statement ('patient unable to manage medications independently due to cognitive impairment') and specific cognitive score (MMSE, MoCA, or SLUMS) for claim approval. Cigna denies 99497/99498 (advanced care planning) if billed within 12 months of prior ACP claim for same patient and same goals (no repeat billing for unchanged advance directive).
Standard Geriatric Medicine coding workflow
Step 1: Determine primary service type (office visit, hospital, CCM, cognitive assessment, or ACP) and select base E/M code by time/complexity. Step 2: Review chart for secondary services same day (e.g., cognitive testing, care planning); if present, determine if separately identifiable per NCCI rules. Step 3: Append modifiers (25 for distinct E/M, 59 for bundled procedures performed separately); flag modifier 59 for chart review before submission. Step 4: Verify non-face-to-face work hours logged for CCM codes and advance care planning minutes documented per time-based codes. Step 5: Run NCCI edits in billing system; if pair denies, confirm chart supports modifier rationale or rebundle to single code.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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