Anthem (BCBS) Behavioral Health Appeals in Colorado
Appealing an Anthem (BCBS) behavioral health denial in Colorado means tracking two separate clocks: Anthem (BCBS)'s own 30-day Level-1 appeal window, and Colorado's 30-day prompt-payment statute (C.R.S. § 10-16-106.5) for clean-claim payment. This guide covers both, plus Anthem (BCBS)'s filing address and Colorado's parity protections.
Where to file your Anthem (BCBS) appeal
P.O. Box 60007
Los Angeles, CA 90060
Colorado's prompt-payment window
In Colorado, state-regulated (fully-insured) plans — including many Anthem (BCBS) plans — generally must pay or formally respond to a clean claim within 30 calendar days under C.R.S. § 10-16-106.5. This deadline does not bind self-funded ERISA plans. This is a claim-payment deadline, not the appeal-decision deadline. If Anthem (BCBS) missed this window on your claim, cite it as a separate payment violation alongside your Anthem (BCBS) appeal — not as the deadline for the appeal decision itself.
30 days EFT / 45 days paper.
MHPAEA parity for Anthem (BCBS) in Colorado
Colorado adds state-level parity protection
Colorado HB19-1269 (2019), the Behavioral Health Care Coverage Modernization Act, amended C.R.S. § 10-16-104(5.5) so that coverage of behavioral, mental health, and substance use disorders under state-regulated health benefit plans must comply with MHPAEA. It also bars carriers from applying nonquantitative treatment limitations to behavioral health benefits that are not applied to medical/surgical benefits in the same classification, and requires carriers to file annual parity compliance reports with the Colorado Division of Insurance (C.R.S. § 10-16-147). It applies to fully insured, state-regulated plans, not self-funded ERISA plans.
Statute: C.R.S. § 10-16-104(5.5) (verify current section); Colorado HB19-1269 (2019) (confirm the current section before citing)
Anthem (BCBS)'s parity posture: Anthem (now Elevance Health) is a major BCBS licensee operating in ~14 states. File appeals to the state-specific Anthem entity; addresses vary by state. Behavioral health managed through Sydney Health / Anthem Behavioral Health.
When appealing an Anthem (BCBS) denial in Colorado on a state-regulated, fully-insured plan, cite both federal MHPAEA (29 CFR § 2590.712) and C.R.S. § 10-16-104(5.5) (verify current section); Colorado HB19-1269 (2019) (confirm the current section before citing) together — the state statute remains in force regardless of the 2025 federal non-enforcement of the 2024 MHPAEA Final Rule. Self-funded ERISA plans are preempted from state insurance law, so rely on federal MHPAEA alone there.
Common Anthem (BCBS) denial codes
Colorado's insurance commissioner
If your internal Anthem (BCBS) appeal is denied, Colorado's Department of Insurance can help with a complaint or external review for fully-insured plans. Look up the official contact via the NAIC consumer locator.
Note: self-funded ERISA plans are generally exempt from state insurance regulation. If your patient's Anthem (BCBS) plan is employer-sponsored and self-funded, your remedies run through the U.S. Department of Labor (EBSA) rather than Colorado's commissioner.
Generate your Anthem (BCBS) appeal letter
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Generate my appeal letter →Frequently asked questions
How long does Anthem (BCBS) have to respond to an appeal in Colorado?
Anthem (BCBS) generally has 30 calendar days to respond to a Level-1 appeal. Separately, Colorado's prompt-payment statute gives payers 30 days to respond to a clean claim (C.R.S. § 10-16-106.5) — a different deadline governing claim payment, not the appeal decision.
Does MHPAEA apply to Anthem (BCBS) in Colorado?
Generally, yes — for Anthem (BCBS)'s group health plans. Federal MHPAEA applies to Anthem (BCBS)'s group health plans in Colorado. C.R.S. § 10-16-104(5.5) (verify current section); Colorado HB19-1269 (2019) (confirm the current section before citing) additionally applies for state-regulated, fully-insured plans — self-funded ERISA plans are preempted from state insurance law and rely on federal MHPAEA alone; where it applies, Colorado's state law remains in force regardless of the 2025 federal non-enforcement announcement.
Where do I mail or fax a Anthem (BCBS) appeal?
Mail to Anthem Blue Cross Appeals Unit, P.O. Box 60007, Los Angeles, CA 90060. You can also fax to 1-866-755-2680. This address is the same nationally, including for Colorado providers.