CPT Code 96365: IV Infusion Billing, Time Rules, and Hierarchy
What CPT Code 96365 Is and When to Report It What Is CPT Code 96365? CPT code 96365 covers the initial hour of an intravenous infusion for therapeutic, prophylactic, or diagnostic purposes. The AMA short descriptor is ther/proph/diag IV inf init. The 96365 CPT code description applies to non-chemotherapy drugs and requires the infusion to […]
CPT Code 99291: Time Rules, Modifier Requirements, and Denial Prevention for Critical Care Billing
The Three Conditions That Make CPT 99291 Billable CPT code 99291 represents evaluation and management services for critically ill or injured patients covering the first 30 to 74 minutes of direct care on a given calendar date. That’s the 99291 cpt code description in plain billing terms: time-based, intensity-based, and calendar-date-specific. Critical care is determined […]
CPT Code 93000: EKG Billing, Medicare Coverage, and Denial Prevention for Healthcare Providers
What CPT Code 93000 Covers CPT code 93000 is the EKG CPT code for a complete 12-lead electrocardiogram where one billing entity both performs the tracing and interprets it, then issues a signed written report. That single claim covers both the technical and the professional work. Global is a billing classification, not a clinical one. […]
What Is Modifier 95 in Medical Billing? Appendix P Rules, POS Pairing, Denial Codes, and 2026 Documentation
What Is Modifier 95 in Medical Billing? The 2026 AMA Definition and Three Core Conditions Modifier 95 in medical billing is a CPT add-on code that identifies a synchronous telemedicine service rendered via a real-time interactive audio and video telecommunications system. That’s the official AMA definition, and it’s the language payers expect on the claim. […]
Modifier 25 in Medical Billing: When to Use It and When Not To
Modifier 25 is the most audited modifier in medical billing, and one of the most misunderstood. When a provider performs a minor procedure and a separate office visit on the same day, this modifier separates a correctly paid claim from a bundled denial. This guide covers the 2026 rules, the OIG audit findings, and the […]
Place of Service Code 10: When to Bill Telehealth at the Patient’s Home
What POS 10 in Medical Billing Means POS 10 in medical billing is the two-digit place of service code that tells Medicare, Medicaid, and commercial payers the patient was physically located in their home when the telehealth service happened. CMS gives it the official name ‘Telehealth Provided in Patient’s Home.’ The code joined the national […]
POS 21 in Medical Billing: The Inpatient Hospital Code That Drives Reimbursement
In medical billing, POS 21 stands for Inpatient Hospital. It’s a two-digit Place of Service code defined by the Centers for Medicare and Medicaid Services (CMS), used on the CMS-1500 claim form, Box 24B, to show that a physician formally admitted the patient to an acute care hospital. Under Medicare, POS 21 triggers the facility […]
99395 CPT Code:Preventive Visit Billing for Established Patients Ages 18 to 39
What CPT 99395 Is and How the Code Gets Selected CPT 99395 is the preventive medicine code for an established patient between 18 and 39 years old, and a practice selects it on patient status and age, not on problem complexity or time. It reports a periodic comprehensive wellness visit, not a problem-oriented encounter. AMA […]
CPT Code 99232: Moderate MDM, the 35-Minute Threshold, and Subsequent Hospital Care for 2026
If your billing team is selecting between 99232 and 99233 on a 25-to-34-minute versus 35-minute time cutoff, you’re working from a reference that doesn’t match the current AMA standard. The 99232 cpt code is the most-billed subsequent hospital care code in the United States, and one of the most miscoded. Effective January 1, 2023, CPT […]
CPT 72141 Billing Guide: Cervical MRI Without Contrast for 2026
Cervical spine MRI billing has two code selection errors that produce most first-submission denials, and billing teams usually discover them on the remittance advice. The 72141 cpt code (without contrast) and CPT 72142 (with contrast) carry an NCCI bundling restriction that fails the claim automatically when both appear together. This guide is a working playbook […]