CO-119 denial code
Benefit maximum for this time period or occurrence has been reached
How to fix it
Confirm the maximum with the payer. Once genuinely exhausted, the balance becomes patient responsibility if properly noticed.
How to prevent it
Track remaining benefits for capped services such as therapy, chiropractic and behavioral health, and notify patients before the cap is hit.
In practice
A physical therapy claim returns CO-119 — the benefit maximum for this time period or occurrence has been reached. The plan covers a defined number of therapy visits per year and the patient has used them.
The visits were clinically indicated and were provided. The plan's obligation simply ended, and no appeal changes that.
The failure is not billing; it is that nobody was counting. A patient midway through a course of therapy should know before the cap that they are approaching it, and should be given the choice of continuing at their own cost rather than discovering it afterwards.
What sits behind it
Benefit maximums apply most often to therapy, chiropractic, behavioural health and certain durable medical equipment — service lines characterised by repeated visits over a course of treatment.
Two details cause most avoidable losses. Caps are frequently counted per plan year rather than per course of treatment, so a patient crossing a plan year mid-course gets a fresh allowance while one starting late in the year has less than the headline number suggests. And visits used at another provider count toward the same cap, invisibly.
Because the limit is knowable from the eligibility response for most payers, tracking remaining benefits at the point of scheduling is achievable. Practices that do it convert a denial into a financial conversation held at the right time.
Related codes
Terms used here — Eligibility Verification · Patient Responsibility · Denial
How we handle it — Eligibility Verification · Patient Collections · Practice Analytics
Primary sources
The rules behind CO-119, at the bodies that publish them.
- Medicare Coverage Database (LCD/NCD) (opens in a new tab)
Centers for Medicare & Medicaid Services — Searchable national and local coverage determinations. The direct answer to whether a diagnosis supports medical necessity for a given procedure.
- Medicare Benefit Policy Manual (opens in a new tab)
Centers for Medicare & Medicaid Services — What Medicare covers and under what conditions, as distinct from how a claim is processed. The starting point for any coverage or medical necessity question.
- Advance Beneficiary Notice of Noncoverage (ABN) (opens in a new tab)
Centers for Medicare & Medicaid Services — The form and the rules for issuing it. Whether a non-covered service can be billed to the patient usually turns on whether a valid ABN was obtained beforehand.
Every denial code with a guide
Authorization
Bundling
Contractual
Coverage
Data quality
Documentation
Eligibility
Liability and workers comp
Patient responsibility
Provider eligibility
Timely filing
Looking for a different code? Search all 190 CARC and RARC codes
Questions about CO-119
Rarely with success. The plan applied its own stated benefit limit correctly, so there is no error to overturn. Some plans allow an exception request on medical necessity grounds for continued care, which is a different process from an appeal.
Generally yes once the benefit is genuinely exhausted, provided the patient was properly notified. The practical difficulty is that a patient who was not told beforehand receives an unexpected bill, which is the most common source of collection disputes in capped service lines.
Usually per plan year rather than per course of treatment, and visits used at other providers count toward the same cap. A patient starting a course late in the plan year has less than the headline number available, and may not know it.
Track remaining benefits for capped services at scheduling — therapy, chiropractic, behavioural health and some durable medical equipment. The limit is available in the eligibility response for most payers, which makes this a counting problem rather than an information problem.
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