Chrnc care mgmt staff 1st 20
CPT 99490 covers the first 20 minutes of monthly chronic care management services provided by clinical staff under physician supervision for patients with two or more chronic conditions.
This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.
RVU breakdown
Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High
NCCI bundling edits
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Billing tips
Bill only once per calendar month regardless of when 20 minutes are accumulated; do not prorate for partial months
Impact: Prevents denials for duplicate billing; ensures full $60.49 payment per qualifying month
Obtain and document written patient consent before billing first CCM service, including disclosure of potential cost-sharing responsibilities
Impact: Required for payment; missing consent documentation is the #1 audit trigger resulting in 100% recoupment
Use separate time tracking logs for CCM minutes distinct from time spent during face-to-face visits; only non-face-to-face time counts toward the 20-minute threshold
Impact: Prevents bundle denials and supports audit defense; time during E&M visits cannot count toward 99490
Bill commercial payers at 200-250% of Medicare rate ($120-150) as CCM codes are often undervalued in fee schedules
Impact: Potential revenue increase of $60-90 per patient per month with proper contract negotiation
Ensure comprehensive care plan is documented and shared with patient (or caregiver) and available 24/7 to on-call providers electronically
Impact: Core documentation requirement; missing care plan results in denial with $60.49 recoupment plus potential fraud investigation
Do not bill 99490 in same month as transitional care management (99495-99496), principal care management (99424-99427), or other time-based CCM codes
Impact: Mutually exclusive services; duplicate billing triggers automatic denial and potential prepayment review
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