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PHP, IOP & Residential Behavioral Health Billing Services
Qualigenix bills partial hospitalization, intensive outpatient and residential behavioral health programs at the program level: per-diem codes, revenue codes, condition codes and the authorizations that keep each day covered. Since January 1, 2024, Medicare has paid IOP as its own benefit, marked with condition code 92, while PHP claims carry condition code 41. A program day billed under the wrong code, or a day past the last approved concurrent review, goes unpaid. Our CPC- and CCS-certified coders track both.
What is PHP, IOP & Residential Billing
PHP, IOP and residential programs are billed per day. Medicaid and commercial plans commonly pay a per diem coded with HCPCS H0035 for partial hospitalization, S9480 for psychiatric IOP, H0015 for substance use IOP, or H0018 and H0019 for residential treatment, paired with revenue codes such as 0905, 0906, 0912 and 0913. Medicare pays PHP and IOP under the outpatient payment system, with condition code 41 or 92 on the claim and a per-diem rate set by how many services the patient received that day. Qualigenix handles the coding, authorizations and appeals, with a 98.2% first-pass clean claim rate on first submission. Call 786-259-0231 to review your program's claims.
01
Per-Diem Program Coding
Each payer pairs program HCPCS codes with its own revenue codes. TRICARE, for example, pairs revenue code 0905 or 0906 with H0015 or S9480, and pays partial hospitalization under 0912 or 0913.
02
Concurrent Reviews
Payers approve a set number of program days, then re-review the patient's progress before approving more. A missed review date leaves the days after it unauthorized.
03
Daily Service Tiers
Medicare pays PHP and IOP per diem in two tiers for each provider type: one rate for days with 3 services and a higher rate for days with 4 or more. A service left off the claim can drop a day to the lower tier.
04
Level-of-Care Placement
Commercial and Medicaid plans tie each level of care to placement criteria, such as the ASAM criteria for substance use treatment. Medicare PHP requires a physician to certify that the patient would otherwise need inpatient psychiatric care.
05
Behavioral Carve-Outs
Some health plans manage behavioral health benefits through a separate behavioral health organization. A claim or authorization sent to the medical plan instead of the carve-out vendor denies.
06
Treatment Plan Records
Program days need an individualized treatment plan, physician certification and recertification where required, and progress notes for each billed service. Gaps in any of these can deny the day on review.
07
Program Denial Triggers
Program denials come from lapsed concurrent reviews, level-of-care findings, overlapping PHP and IOP claims, wrong revenue code and HCPCS pairings, carve-out routing errors and missing treatment plan documentation.
08
42 CFR Part 2
Federal confidentiality rules under 42 CFR Part 2 limit how substance use disorder treatment records are disclosed. Claims, appeals and records requests have to follow the patient consent on file.
How Qualigenix Keeps Program Revenue Flowing
Qualigenix matches each billed program day to its code, its authorization and its documentation before the claim goes out.
Per-Diem Coding Accuracy
We keep a payer-by-payer map of program HCPCS and revenue code pairings and code each day to the level of care delivered.
Concurrent Review Tracking
We track each authorization's approved days and next review date, and send clinical updates to the payer before the review is due.
Service-Tier Validation
For Medicare PHP and IOP claims, we count each day's billable services against the record so days with 4 or more services are paid at the higher tier.
Level-of-Care Support
We check that documentation supports the placement criteria the payer uses before the admission is billed.
Carve-Out Verification
At intake we confirm whether behavioral health benefits sit with the medical plan or a carve-out vendor, and route authorizations and claims to the right one.
Treatment Plan Review
Before billing, we check that each day is backed by a current treatment plan, any required certification and a progress note for each service.
Denials & Appeals
We appeal program denials with the treatment plan, progress notes and the payer's own level-of-care criteria attached. Qualigenix overturns 79% of the denials it works, across 50,000 denials worked each month.
Part 2 Safeguards
We handle substance use disorder records under the consent on file and release only what the consent allows, in HIPAA-compliant workflows.
CASE STUDY 01
How a 3-provider podiatry group cleared $214K in aged A/R
THE SITUATION
A 3-provider podiatry group with roughly 60% Medicare payer mix carried $412,000 in A/R, 38% of it past 120 days. Routine foot care claims (11720, 11721, 11055–11057) had stalled on inconsistent Q7/Q8/Q9 modifiers and class-finding documentation, so payers held or partially paid and nobody worked the remainder. Medicare crossover to secondaries was not being posted, and small patient balances were written off.
WHAT QUALIGENIX DID
We ran a full A/R aging segmentation, worked claims by payer and denial reason rather than by date, rebilled the stalled routine-care claims with corrected modifiers, and reactivated secondary and crossover billing.
Key Outcomes & Turnaround
38% to 14%A/R past 120 days
$214,000recovered from aged A/R
90 daysto turn it around
~60%Medicare payer mix
Audited Practice Results
How a solo podiatrist lifted first-pass acceptance to 96%
THE SITUATION
A solo podiatrist coding 320 encounters a month was stuck at 82% first-pass acceptance. Routine foot care went out without the systemic-condition diagnosis pairing and class findings Medicare requires, so it read as non-covered. Wound debridement was coded to the wrong depth (11042 for skin and subcutaneous where the note supported 11043 for muscle and fascia). Same-day E/M with a procedure went out without modifier 25 and got bundled.
WHAT QUALIGENIX DID
We rebuilt the coding workflow: diagnosis-to-CPT pairing rules for at-risk foot care, correct Q-modifier logic, depth-based debridement coding tied to the operative note, and disciplined use of modifiers 25 and 59/XS.
Key Outcomes & Turnaround
82% to 96%first-pass acceptance
+11%per-encounter reimbursement
60 daysto turn it around
320/moencounters coded
Audited Practice Results
How a 2-location podiatry practice cut its denial rate by two-thirds
THE SITUATION
A 2-location podiatry practice sat at a 19% denial rate, mostly Medicare routine-foot-care and nail-debridement rejections. The denials clustered in three buckets: medical-necessity rejections on routine foot care (missing qualifying diagnosis and class findings), frequency-edit denials on nail debridement billed inside the 60-day window, and missing Q modifiers that flagged services as non-covered.
WHAT QUALIGENIX DID
We built a front-end denial-prevention layer, checking eligibility and coverage against payer LCDs before claims went out, plus a structured appeal workflow with documentation templates mapped to each denial reason.
Key Outcomes & Turnaround
19% to 6%denial rate
$68,000recovered on appealed claims
4 monthsto turn it around
2 locationspractice size
Audited Practice Results
Program Coding by Level of Care
Qualigenix codes each level of care to its own HCPCS code, revenue code and payer rules.
Partial Hospitalization (H0035)
H0035 reports mental health partial hospitalization of less than 24 hours, billed per diem. TRICARE, for example, pairs it with revenue code 0912.
COMPLIANCE
How We Keep Program Billing Compliant
Qualigenix keeps PHP, IOP and residential billing compliant by billing each program day only as the treatment plan, the progress notes and the authorization support it. We apply Medicare's condition code and overlap rules, each payer's level-of-care criteria and 42 CFR Part 2 as written, and we review each claim for overcoding and undercoding. A service left off a Medicare claim can drop a day to the lower tier, and a day billed past its authorization invites a takeback. Our coding holds a 98.6% compliance and audit pass rate, with an over- and undercoding rate under 2%. All patient data is handled in HIPAA-compliant workflows under strict security controls.
0%
Audit Pass Rate
<0%
Variance Threshold
Why Qualigenix
0%
IMPROPER PAYMENT RATE
0%
FROM DOC GAPS
0%
FROM CODING ERRORS
$0M+
PAID IN ERROR
QUESTIONS BUYERS ASK
Qualigenix charges a percentage of collections, so the fee tracks what your program is paid. The rate depends on census, payer mix and scope. Call 786-259-0231 to discuss your program.
Yes. We track approved days and review dates for each patient, and send clinical updates to the payer before each review is due.
Yes. We bill short-term residential treatment under H0018 and long-term residential treatment under H0019, per day, with the revenue code each payer requires.
Yes. Qualigenix is system-agnostic and works inside your current behavioral health EHR and billing system, and our team has worked across 133 EMR/EHR platforms.
IOP is billed per day. Medicaid and commercial plans commonly take S9480 for psychiatric IOP or H0015 for substance use IOP, under revenue code 0905 or 0906, while Medicare pays IOP under the outpatient payment system with condition code 92 on the claim.
For Medicare, hospitals bill IOP on type of bill 13X, community mental health centers on 76X and critical access hospitals on 85X, each with condition code 92. Commercial and Medicaid plans set their own claim requirements.
We handle substance use disorder records under the patient consent on file and release only what the consent allows, in HIPAA-compliant workflows.
Yes. We take over aged program claims and work them by payer, authorization status and denial reason. Our A/R follow-up has reduced days in A/R from 54 to 36.