H0010 is the HCPCS code for sub-acute detoxification delivered in a residential addiction program — in the code set's own words, “alcohol and/or drug services; sub-acute detoxification (residential addiction program inpatient).” It is a facility-level code: it pays the program for a day of medically monitored withdrawal management in a residential setting, not a clinician for a visit. When a facility asks what its “detox rate” is, H0010 is usually the line it means.
HCPCS descriptor
H0010 — “Alcohol and/or drug services; sub-acute detoxification (residential addiction program inpatient)”
Revenue code it appears with: 0126. HCPCS Level II descriptor as published by CMS.
What services bill under H0010?
Residential, sub-acute detox — withdrawal management with 24-hour monitoring in a non-hospital setting. That is the detox level of care in behavioral health contracting: the medically managed step before residential treatment, priced at the facility as a per-diem line rather than as a set of professional fees. Detox in an acute hospital setting bills differently (hospital revenue codes and hospital rate structures), and the professional work a physician or nurse practitioner does during a detox stay bills separately on the professional side. H0010 is the program's own facility line for the sub-acute, residential form of the service.
Related: Levels of Care, Explained · Behavioral Health Billing Grammar
Is H0010 a facility code or a professional code?
Facility. H0010 pays the program for the day, which is why it belongs in the same family as the residential per diem (H0018) and the partial-hospitalization and intensive-outpatient program codes (H0035, H0015) rather than on a clinician's fee schedule. The distinction decides what kind of rate you negotiate: a facility line is a per-diem or case-rate conversation about the program — staffing, medical monitoring, length of stay — not a fee-for-visit conversation. It also decides what the public rate data can show: a Transparency in Coverage file publishes a payer's negotiated H0010 rate for a facility, resolved to that facility, which is what makes it benchmarkable.
Which revenue code does H0010 pair with?
Revenue code 0126 — the detoxification room-and-board line on a facility claim. In practice a detox day goes out as revenue code 0126, and depending on the payer's billing rules H0010 sits alongside it as the HCPCS line. Some payers require the revenue code and the HCPCS code together for the claim to price; others key the rate on one or the other. The consequence for rate data is that “the H0010 rate” and “the 0126 rate” can be the same contract line described two ways, or two different lines — and a rate file has to be read with that in mind.
Why isn't one facility's H0010 rate comparable to another's?
Because the code is the only thing they share. Two facilities' H0010 rates differ for the same reasons every behavioral health facility rate differs: which entity holds the contract (a national behavioral health network, a commercial carrier's own book, a regional plan), the market, when the rate was last negotiated, and the payment structure — a straight per diem, a case rate covering the episode, or a percent of charges. A public fee schedule adds a further trap: a state Medicaid schedule may list a single H0010 price, and searchers often take it for “the rate.” It is a state-set floor, not the market.
Related: What determines a Carelon facility rate · What determines an Optum facility rate · Medicaid fee schedules vs. commercial negotiated rates
How does a facility benchmark its H0010 rate?
By placing it inside the distribution of comparable facilities' negotiated H0010 rates — same market, same payer, same level of care — and reading the result as a percentile position, not as a competitor's dollar figure. That is what Ratebench and Peerbench are built to do with actual negotiated rates from payers' Transparency in Coverage files, resolved to the facility and scored for confidence. In Massachusetts and North Carolina, the state Medicaid fee schedule sits beneath that distribution as a reference floor. The fastest way to see where your detox rate stands is a free rate analysis of your own contract.
Related: Ratebench · Peerbench · Reading Your Percentile Position · Coverage & Methodology
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