Rules and regulations regarding critical care billing and coding are complex and the process itself is tedious, which makes outsourcing to a good medical billing company a common option.
The time spent on providing these services counts when it comes to payment. It is crucial to check with the insurance payer’s rules and regulations on critical care, be it Medicare, Medicaid or other private insurers.
When providing critical care services, the physician/health care professional has to make highly complex decisions to assess, manipulate, and support vital system functions(s) to treat single or multiple vital organ system failure and/or to prevent further life-threatening conditions.
According to the Centers for Medicare & Medicaid Services (CMS), “critical care services must be reasonable and medically necessary … delivering critical care in a moment of crisis, or upon being called to the patient’s bedside emergently, is not the only requirement for providing critical care service. Treatment and management of a patient’s condition, in the threat of imminent deterioration; while not necessarily emergent, is required.”
Key Points to Note When Documenting Critical Care
A precise, thorough report describing the motivation behind the critical care provided is necessary for persuading the insurance companies to reimburse the service, and reducing claim denials. Keep the following points in mind while preparing a report:
- Critical care must be provided by the practitioner for a minimum of 30 minutes.
- If the service is less than 30 minutes, then it is reported using the appropriate E/M codes.
- CMS finalized the CPT codes 99291 and 99292 for reporting critical care services.
- Only the total duration of the critical care services, either continuous or aggregated, provided by critical care specialists to a single patient for a given date of service should be reported using these codes.
- For continuous critical care, the coding for services is accounted and reported for one day, even if the service crosses over after midnight.
- The non-continuous service that extends to the following days is reported as a new service.
- After the COVID-19 pandemic, teleICU is included as part of critical care billing.
- Only the care and time provided until a patient is declared brain dead must be billed.
- The practitioner must provide personal care for the patient, either at their bedside or on the floor or unit where they are housed.
- Critical care typically encompasses areas such as: coronary care unit, intensive care unit, respiratory care unit, and emergency department.
- As long as the services meet the critical care criteria and are not doubled, multiple critical care services from more than one specialist given to one patient at the same time can be reported. An AAPC blog points out that according to the CMS, “The reasonable and necessary services of each physician rendering concurrent care could be covered where each is required to play an active role in the patient’s treatment.”
- If multiple specialists of the same group provide the service:
- 99291 – Report the initial critical care provided concurrently by a single or more practitioners in the same field on the same date of services.
- 99292 – Report rest of the care provided with 99292.
- If a specialist completes the service before the given time duration (30 minutes), then the rest of the service time can be used by another specialist in the same field to continue medical care. The total time then spent by all specialists is added to report CPT code 992921. 99292 is reported only if additional 30 minutes beyond this time is given to the same patient on the same day.
Five Key Things to Note in Critical Care Billing
- Ensure Accurate Documentation
- The complexity of the critical illness(es) addressed
- The amount and/or complexity of data to reviewed and analyzed
- The risk of complications and/or morbidity or mortality
- The deterioration in the patient’s health
- The probability of life-threatening illness
- Assessment of vital organ system
- Description of provider’s services that helped stabilize the patient’s condition
- The presence of practitioner either at the bedside or unit
- The total time spent by the practitioner furnishing critical care services
The basis of good critical care documentation is the comprehensive collection of the following information. Document the high-complexity medical decision making (MDM) according to the latest methodology mentioned in the CPT book. To determine MDM, the following must be considered:
For coding purposes, CPT® requires a high complexity of MDM in addition to reporting critical care. The provider needs to document how critical care was necessary for the patient’s condition. A blanket statement of “chest pain” and billing CPT code 99291 is inadequate for the payers. The substantive information to be included while writing a report for critical care:
The organ system that was at risk and how it was damaged
An FAQ answered by ACEP states that the CMS provides the following as an example of acceptable documentation:
“Patient developed hypotension and hypoxia; I spent 45 minutes while the patient was in this condition, providing fluids, pressor drugs, and oxygen. I reviewed the resident’s documentation, and I agree with the resident’s assessment and plan of care.”
- Critical Care Billing Codes
- 99291 is used to report the first 30-74 minutes of critical care
- Only once per calendar day per provider/same specialty group
- 99292 is an add-on code and used to report additional block(s) of time up to 30 minutes each beyond the first 74 minutes of critical care
- Reportable for the final 15 minutes on any given date
- Can be aggregated time met by a single physician or same group practice of the same specialty or covering provider
- the interpretation of cardiac output measurements (CPT 93598)
- pulse oximetry (CPT 94760, 94761, 94762)
- chest x-rays, professional component (CPT 71045, 71046)
- blood gases, and collection and interpretation of physiologic data (e.g., ECGs, blood pressure, hematologic data)
- gastric intubation (CPT 43752, 43753)
- transcutaneous pacing (CPT 92953)
- ventilator management (CPT 94002-94004, 94660, 94662)
- vascular access procedures (CPT 36000, 36410, 36415, 36591, 36600)
- CPR (92950) (while being performed)
- Endotracheal intubation (31500)
- Central line placement (36555, 36556)
- Intraosseous placement (36680)
- Tube thoracostomy (32551)
- Temporary transvenous pacemaker (33210)
- Electrocardiogram – routine ECG with at least 12 leads; interpretation and report only (93010)
- Elective electrical cardioversion (92960)
CPT codes 99291 and 99292 are time-based service codes provided on an hourly or fraction of an hour basis. These codes represent the total duration of time spent by a physician providing critical care services, even if the time spent by the physician on that date is not continuous.
The following critical care services are included in “critical care clock time” when performed by the same physicians during critical phase and should not be billed separately.
The time spent while performing non-bundled, separately billable procedures is excluded from critical care services. Examples of common procedures that may be reported separately for a critically ill or injured patient include (but are not limited to):
- Critical Care Global Periods
- The patient is critically ill and requires full attention of physician
- Service is unattached to specific anatomic injury or general surgical procedure performed
- Modifier 24 – Unrelated evaluation and management (E/M) service performed by the same physician during the postoperative period
- Modifier FT – Unrelated evaluation and management (E/M) visit during a postoperative period, or on the same day as a procedure or another E/M visit
The global surgical package includes all necessary services normally furnished by a surgeon before, during, and after a procedure. Critical care services billed separately during a global period for procedures with 10 or 90 day global period, are typically those unrelated to the surgical procedure.
Preoperative critical care may be reimbursed in addition to global fee if:
The physician’s documentation must specify the independent and distinct nature of the critical care furnished.
The modifiers that must be billed with critical care services are:
Critical care during the postoperative period performed by a practitioner other than the surgeon does not require a modifier. However, CMS states in the final rule, “If care is fully transferred from the surgeon to an intensivist (and the critical care is unrelated), modifiers 54 Surgical care only and 55 Postoperative management only must also be reported.”
- Split/Shared Service
Effective for dates of service since January 1st 2022, critical care services are billable as split/shared evaluation and management (E/M) services. The physicians and NPP who work in the same field can split and share critical care services bill when the criteria for reporting it are met. The split shared services require modifier FS to be added.
The provider who serves the considerable amount of total time in critical care service may bill for total units of critical care. CMS defines “considerable” as “more than half the cumulative total time in qualifying activities that are included in CPT codes 99291 and 99292.” For example, if APN reports 15 minutes and MD 40 minutes then the total time equals to 55 minutes of critical care and MD is responsible for billing the visit.
An AAPC blog highlights that “To bill split (or shared) critical care services, the billing practitioner first reports CPT code 99291 and, if 104 or more cumulative total minutes are spent providing critical care, the billing practitioner reports one or more units of CPT code 99292.”
- Critical care and E/M
- The patient was not in need of critical care when E/M service was provided
- The service is medically necessary, distinct and detached with no identical elements from critical care services provided later that date
As per CMS, the same practitioner(s) in the same specialty or group can now receive payment for both critical care and E/M visits if:
When reporting these services on the claim, it is essential to append modifier 25 which is defined in CPT code set as “Modifier 25, Significant, Separately Identifiable Evaluation and Management Service by the Same Physician or Other Qualified Health Care Professional on the Same Day of the Procedure or Other Service”
Reliable medical billing companies help physicians with complex critical care documentation and billing guidelines. Such support is crucial when it comes to getting paid for high-value critical care work. Mistakes can be very costly and the services provided by a professional critical care medical billing company can prove invaluable to improve billing and coding processes and prevent denials.
Let us handle your Critical Care billing and coding while you focus on providing exceptional patient care!
Since joining our RCM Division in October 2021, Loralee, who is HIT Certified (Health Information Technology/Health Information Management), brings her extensive expertise in medical coding and Health Information Management practices to OSI.
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