01999 Unlisted anesthesia procedure
Also known as: unlisted anesthesia, miscellaneous anesthesia
Unlisted anesthesia procedure. This code is used for anesthetic services not otherwise classified or represented by a more specific CPT code.
In Plain Language
Special sleep medication not in standard list; Custom anesthesia care
Clinical Context
Used when an anesthetic procedure does not fit into any existing category. Requires documentation explaining the nature of the anesthetic service provided. Common for novel or unusual anesthetic techniques.
RVU Information
CPT 01999 does not have a physician work RVU assigned by CMS. Anesthesia codes use a base unit + time unit system rather than standard RVUs. Contact your payer for the anesthesia conversion factor.
Billing & Documentation
Anesthesia codes are billed using base units plus time units. One time unit typically equals 15 minutes of anesthesia time. Document start and stop times, patient status (P1-P6), and any qualifying circumstances. Modifiers AA, QK, QX, or QY indicate the provider arrangement.
Specialties
Frequently Asked Questions
What is CPT code 01999?
CPT 01999 (Unlisted anesthesia procedure) is a Anesthesia code. Unlisted anesthesia procedure. This code is used for anesthetic services not otherwise classified or represented by a more specific CPT code.
How is anesthesia code 01999 billed?
Anesthesia code 01999 is billed using base units plus time units (1 unit = 15 minutes). Used when an anesthetic procedure does not fit into any existing category. Requires documentation explaining the nature of the anesthetic service provided. Common for novel or unusual anesthetic techniques. Used by Anesthesiology, General Surgery, Any Surgical Specialty.
When is CPT 01999 used?
Used when an anesthetic procedure does not fit into any existing category. Requires documentation explaining the nature of the anesthetic service provided. Common for novel or unusual anesthetic techniques.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.