CO-16 Denial Code Explained: Causes, RARCs and Fixes
CO-16 means the claim lacks information or has a submission or billing error needed for adjudication. The “CO” group code makes the provider responsible, so the patient is not billed. A remark code identifies the exact problem. Keeping CO-16 under 10% of all denials is an illustrative practical target, not a mandate. CO-16 is one […]
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CO-50 Denial Code (Medical Necessity): Causes & Fixes
CO-50 means the payer considers a service non-covered because it was not deemed medically necessary. The CO group code makes the provider liable unless a valid ABN shifts liability to the patient. Keeping CO-50 under 10% of all denials is an illustrative practical target, not a mandate. Medical necessity denials rank among the most expensive […]
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CO-97 Denial Code (Bundling): NCCI Edits and Fixes
CO-97 means the payer considers a service included in the payment for another service already adjudicated. It usually comes from NCCI bundling edits or the global surgical package. The provider cannot bill the patient, and keeping CO-97 under 10% of denials is an illustrative practical target, not a mandate. Bundling denials frustrate billing teams because […]
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Intraoperative Neuromonitoring Billing CPT 95940 95941
CPT 95940 reports in-room, one-on-one intraoperative monitoring per 15 minutes. CPT 95941 reports remote or multi-case monitoring per hour, but Medicare does not accept it and requires HCPCS G0453 instead. Both are add-on codes billed with baseline study codes. A 95% clean claim rate is a commonly cited practical target, not a mandate. Intraoperative neuromonitoring […]
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Neurology E/M Coding 99213 99214 Documentation Tips
For an established neurology patient, 99213 requires low medical decision making or at least 20 minutes of total time. 99214 requires moderate decision making or at least 30 minutes. Decision making is met when two of three elements reach the level billed: problems, data, and risk. Many practices aim for 95% or higher accuracy on […]
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Neurosurgery and Spine Surgery Billing Services Guide
Quick answer: Neurosurgery and spine surgery billing services manage prior authorization, operative note coding, and surgical modifiers for brain and spine procedures. They also track global periods, submit claims, and follow up on denials. Medicare rules shape payment, such as 62.5% of the fee to each co-surgeon. A clean claim rate of 95% or higher […]
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Stroke Care Billing and Coding for Neurologists (2026)
Quick answer: Stroke care billing and coding for neurologists means matching each stroke encounter to the correct ICD-10-CM cerebrovascular code, the right E/M, critical care, or telehealth CPT code, and any required modifier. Accuracy depends on documenting stroke type, vessel, laterality, NIHSS score, and total time. A 95% clean claim rate is a commonly cited […]
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2027 CPT Code Changes for Internal Medicine Practices
The 2027 CPT code changes for internal medicine practices take effect January 1, 2027. The AMA reports 453 editorial changes [A], but few reach a general office directly: new sleep study codes, AI-related codes, and proposed Medicare payment shifts. Only the AMA figures are final; the CMS items are proposals. 2027 CPT Code Changes for […]
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2027 CPT Code Changes Neurology Billing Guide
2027 CPT code changes neurology billing teams face begin January 1, 2027. Three areas touch neurology most: six new unattended sleep study codes, autonomic testing codes that CMS lists as new, and Medicare proposals that include a review of vagus nerve stimulator programming values. Only the AMA’s counts and effective date are final; the payment […]
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Botox Injection Billing for Neurology: CPT 64615 & J0585
Botox injection billing for neurology (CPT 64615, J0585) pairs one procedure line with one drug line. CPT 64615 is reported once per chronic migraine session, while J0585 is billed per unit, commonly 155 units [A]. Most payers expect prior authorization, matching documentation, and correct waste modifiers before they pay either line. Botox injection billing for […]
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