Hospital Billing Services
Hospital billing services help hospitals manage the entire revenue cycle, from coding and claim submission to denial management and payment collection.
Hospital Billing Fails Differently Than Practice Billing.
GenMediTech is a specialized hospital medical billing company providing outsourced hospital billing and hospital revenue cycle management solutions. Built around the exact coding, compliance, and reimbursement requirements that keep hospital revenue protected at every level of care.
- 98% First Pass Clean Claim Rate
- 24–48 Hours Claim Turnaround
- 30% Reduction in A/R
- 100% HIPAA-Compliant
What Are Hospital Billing Services?
Hospital billing services manage the full revenue cycle for hospitals, from charge capture and coding through claim submission, denial management, and AR follow-up. It covers inpatient DRG billing, outpatient APC and OPPS, and emergency department services, each with its own coding rules and payer requirements.
0
%
Satisfied Clients
Ensuring that your needs are met with precision and attention to detail.
Why Hospital Billing Loses More Revenue Than Any Other Setting
Hospital billing operates on multiple payment systems simultaneously. Inpatient claims follow DRG-based reimbursement. Outpatient claims follow APC and OPPS rules. Emergency department visits have their own E&M leveling requirements. Each one is a separate billing discipline, and most hospital billing problems come from treating them the same way.
Here is where hospital revenue disappears.
DRG Assigned at the Wrong Severity Level
Inpatient reimbursement under Medicare is determined by MS-DRG assignment, which depends on the principal diagnosis, secondary diagnoses, procedures performed, and whether major complications or comorbidities are documented. A DRG assigned without capturing all documented comorbidities means systematic underpayment on every affected inpatient stay.
Observation vs Inpatient Status in Hospital Billing
Medicare’s two-midnight rule determines whether a patient should be admitted as inpatient or placed in observation status. Admitting an observation patient as inpatient triggers Medicare audits and potential takebacks. Placing an inpatient-level patient in observation results in significantly lower reimbursement and higher patient cost-sharing complaints.
Charge Capture Gaps in High-Volume Departments
Charges for OR procedures, ED visits, critical care, and device implants must be captured accurately at the point of care. When charge capture processes have gaps — missed supplies, undocumented procedures, unbilled implants — that revenue is gone before the claim is ever created.
APC and OPPS Rules Not Applied Correctly
Outpatient hospital billing follows Ambulatory Payment Classification and Outpatient Prospective Payment System rules. Incorrect procedure grouping, missing status indicators, and device-intensive procedure errors all result in systematic underpayment across outpatient services.
Missing Revenue Codes on Hospital Claims — How UB-04 Errors Trigger Rejections
Hospital claims are submitted on the UB-04 claim form, not the CMS-1500 used by physician practices. Every service line requires a revenue code alongside the CPT code. Wrong or missing revenue codes result in claim rejections before the payer even reviews the coding.
Observation vs Inpatient Status in Hospital Billing — A Costly Misclassification
Emergency department visits are billed under five E&M levels, 99281 through 99285, based on medical decision making. If documentation does not support the level billed payers downcode the claim. Across an ED that handles 150 visits daily even systematic downcoding by one level costs significant annual revenue.
Our Hospital Billing Services
Inpatient DRG Billing and Optimization
We assign MS-DRGs based on complete review of principal diagnosis, secondary diagnoses, procedures performed, and documented complications and comorbidities. Every MCC and CC that is documented but not captured gets coded, maximizing legitimate DRG weight and reimbursement on every inpatient stay.
Your inpatient claims reflect the full clinical complexity of every stay, not a stripped-down version that underpays your hospital systematically.
Outpatient APC and OPPS Billing
We apply correct Ambulatory Payment Classification codes, status indicators, and OPPS packaging rules to every outpatient claim. Device-intensive procedures are coded and billed to maximize device credit and procedure reimbursement under OPPS.
Your outpatient revenue stops leaking through incorrect procedure grouping and missed device billing.
Emergency Department Billing
ED E&M levels, 99281 through 99285, are assigned based on documented medical decision making. Critical care services under CPT 99291 are billed correctly when documentation supports critical care level. Modifier 25 is applied correctly when a significant E&M service is performed on the same day as a procedure.
Your ED captures full reimbursement on every visit level, instead of leaving money on the table through systematic undercoding.
Observation vs Inpatient Status Management
We apply Medicare's two-midnight rule correctly to every admission, ensuring patients are classified under the right status before claims go out. Observation services are billed correctly under the Outpatient Prospective Payment System. Inpatient admissions are validated against clinical documentation before MS-DRG assignment.
Your hospital stops absorbing audit risk from incorrect admission status, and stops underpaying itself by misclassifying inpatient-level patients in observation.
Charge Capture and CDM Management
We work with your Charge Description Master to ensure charges are captured accurately across every department, ED, OR, Cath Lab, and inpatient units. High-cost device and implant charges are tracked and billed separately. Daily charge reconciliation identifies gaps before they become permanent revenue losses.
Your hospital stops losing revenue before claims are ever created, at the charge capture level where most hospital billing problems actually start.
Hospitalist Medical Billing
Hospitalist billing involves daily inpatient E&M visits, 99231 through 99233 — initial hospital care codes, discharge day management, and critical care billing. Each one requires specific documentation thresholds. We handle hospitalist billing correctly across every visit type and every payer.
Your hospitalist program generates the revenue it deserves, not the default rate that comes from undercoded daily visits.
Revenue Code Management
Every line on a UB-04 hospital claim requires a revenue code alongside the CPT or HCPCS code. We assign correct revenue codes for every service type, room and board, pharmacy, medical supplies, OR services, ED services, and more. Claims go out completely the first time.
Your hospital stops absorbing clearinghouse rejections from missing or incorrect revenue codes on high-volume outpatient claims.
Hospital Accounts Receivable Services
Outstanding hospital AR is worked systematically by aging bucket, payer, and service line. High-value aging inpatient claims get priority follow-up. Commercial payer disputes, Medicare underpayments, and coordination of benefits issues are all handled through the correct resolution channels.
Your AR days drop. Your net collection rate improves. And revenue stops aging past recovery thresholds on claims your team did not have bandwidth to chase.
Denial Management and Appeals
Every denial is reviewed for root cause, DRG assignment error, admission status issue, ED level documentation gap, revenue code error, or authorization problem. We correct it and resubmit with proper documentation. Complex denials get formal appeals with clinical evidence and regulatory citations where needed.
Your denial rate drops. Your appeal overturn rate improves. And the same denial stops repeating across hundreds of claims every month.
Hospital Billing Problems We Fix Every Day
DRG underpayment from missed comorbidities?
We review documentation for every coded comorbidity and complication. Every MCC and CC that is documented gets captured — maximizing MS-DRG weight and reimbursement on every inpatient stay.
Observation vs inpatient status causing audit risk?
We apply the two-midnight rule correctly before claims go out. Admission status is validated against clinical documentation — not assumed from the admission order.
ED E&M levels being downcoded by payers?
We validate E&M level selection against documented MDM before submission. Claims go out at the correct level — not the conservative default that leaves money on the table.
Revenue codes missing from UB-04 claims?
We assign the correct revenue code to every service line before submission. Clearinghouse rejections from missing revenue codes stop immediately.
Charge capture gaps in OR or ED?
We work with your CDM to reconcile charges daily — identifying missing procedure charges, unbilled implants, and undocumented supplies before they become permanent revenue losses.
Hospital AR aging past 60 days?
We work every aging bucket by payer and service line. High-value inpatient claims get priority. Nothing ages past recovery thresholds without active follow-up.
Hospital Billing Codes and Payment Systems We Work With
Inpatient Payment
MS-DRG assignment covers all Medicare inpatient claims, based on principal diagnosis, secondary diagnoses, procedures, MCC and CC documentation, and discharge status. APR-DRG covers Medicaid and commercial inpatient claims. Both require complete clinical documentation to assign correct severity and reimbursement weight.
Emergency Department E&M
CPT 99281 covers a minor presenting problem requiring minimal evaluation. CPT 99282 covers a low complexity problem. CPT 99283 covers a moderate complexity problem. CPT 99284 covers a high complexity problem. CPT 99285 covers the highest complexity ED presentation requiring comprehensive evaluation. Critical care is billed under CPT 99291 for the first 30 to 74 minutes and CPT 99292 for each additional 30 minutes.
Inpatient Hospital Care
CPT 99221 through 99223 cover initial hospital care by complexity level. CPT 99231 through 99233 cover subsequent hospital care — daily visits — by complexity level. CPT 99238 and 99239 cover hospital discharge day management by time spent.
Observation Services
CPT 99234 through 99236 cover observation or inpatient hospital care — same-day admission and discharge. CPT 99218 through 99220 cover initial observation care. CPT 99224 through 99226 cover subsequent observation care.
Outpatient Hospital Services
APC codes cover outpatient procedures, clinic visits, and ancillary services under OPPS. Revenue codes — three-digit codes on the UB-04 — are required on every hospital outpatient claim alongside CPT codes.
Common Revenue Codes
Revenue code 0450 covers emergency room services. Revenue code 0360 covers operating room services. Revenue code 0250 covers pharmacy charges. Revenue code 0272 covers medical and surgical supplies. Revenue code 0730 covers EKG and cardiology services.
Frequently Asked Questions
Hospital billing covers facility charges — room and board, nursing services, OR use, supplies, and ancillary services — submitted on a UB-04 claim form. Physician billing covers professional services — provider evaluation and management, procedures, and interpretations — submitted on a CMS-1500. Both require different coding systems, different claim forms, and different payer rules. Many hospital revenue cycle teams manage both simultaneously.
MS-DRG stands for Medicare Severity Diagnosis Related Group. It is the payment system Medicare uses for inpatient hospital claims. The assigned DRG determines the flat payment rate for the entire inpatient stay — regardless of actual costs. DRG assignment depends on principal diagnosis, secondary diagnoses, procedures performed, and whether major complications or comorbidities are documented. Undercaptured comorbidities mean a lower-weighted DRG and systematic underpayment on every affected case.
Medicare's two-midnight rule states that inpatient admission is appropriate when a physician expects the patient to require hospital care spanning at least two midnights. Patients not meeting this threshold should be placed in observation status — which is billed differently and reimbursed at a lower rate. Incorrect admission status is one of the most common triggers for Medicare Recovery Audit Contractor reviews.
The Charge Description Master is a database of every billable service, supply, and procedure your hospital provides — along with the associated revenue code, CPT code, and charge amount. It is the foundation of hospital charge capture. When the CDM is outdated or inaccurate charges get missed, revenue codes get wrong, and claims go out incorrectly before anyone notices.
Yes. We handle inpatient DRG billing, outpatient APC and OPPS billing, emergency department billing, observation services, and hospitalist billing. Every payment system requires different expertise — we cover all of them under one team.
Yes. We work hospital AR systematically by aging bucket, payer, and service line. Commercial payer disputes, Medicare underpayments, and coordination of benefits issues all get handled through the correct resolution channels until every recoverable balance is resolved.
We identify the exact denial reason — DRG assignment error, admission status issue, revenue code error, authorization problem, or medical necessity gap — correct it at the source, and resubmit with proper documentation. Complex denials get formal appeals with clinical evidence and payer-specific regulatory citations.
Yes. Every workflow at GenMediTech follows strict HIPAA protocols — encrypted data handling, controlled system access, and secure file management at every step of the billing process.
Hospital Revenue Lost to Billing Errors Does Not Show Up as One Big Number. It Shows Up as Thousands of Small Ones.
Missed comorbidities on inpatient DRGs. ED visits downcoded for documentation gaps. Observation patients admitted incorrectly. Revenue codes missing from UB-04 claims. Each one looks manageable. Together they represent millions in systematic underpayment your hospital absorbs every year.
Our hospital billing specialists conduct a free audit of your current billing workflow, identifying exactly where revenue is being lost across your inpatient, outpatient, and ED departments. No obligation. Just clarity on what is being missed.
