CPT 00840
Global XXXAnes iper px lower abd nos
Anesthesia codes are not paid on the Physician Fee Schedule RVU system. Medicare calculates payment as (base units + time units + modifier units) × anesthesia conversion factor. See the CMS Anesthesiologists Center for the current base unit and conversion factor values.
CPT 00840 Billing & Documentation Guide
CPT code 00840 (Anes iper px lower abd nos) is classified under Anesthesia with a global period indicator of XXX. This code uses the ASA base units payment methodology rather than standard RVU-based Physician Fee Schedule pricing. Refer to the methodology notice above for billing implications.
When billing 00840, ensure documentation supports medical necessity and the specific components required for the code's level of service. For E/M codes, document MDM (medical decision-making) elements: problems addressed, data reviewed, and risk. For procedural codes, document the indication, technique, and any complications. Always verify NCCI edits before bundling 00840 with related codes; this code has 10 PTP bundling relationships on file (see table below).
Payment Status & Global Period
Status not specified
No global period (E/M and other non-procedural services)
NCCI Bundling Edits, CPT 00840
Procedure-to-procedure (PTP) edits. If you bill any of these codes with 00840 on the same date of service, review the modifier indicator and payer policy before submission.
| Partner Code | Relationship | Modifier Allowed | Rationale |
|---|---|---|---|
| 0178T | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 0179T | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 0180T | Column 1 (primary), can be billed with modifier | Yes | Misuse of Column Two code with Column One code |
| 01995 | Column 1 (primary), can be billed with modifier | No | Standard preparation/monitoring services for anesthesia |
| 01996 | Column 1 (primary), can be billed with modifier | Yes | Standard preparation/monitoring services for anesthesia |
| 0213T | Column 1 (primary), can be billed with modifier | Yes | Standard preparation/monitoring services for anesthesia |
| 0216T | Column 1 (primary), can be billed with modifier | Yes | Standard preparation/monitoring services for anesthesia |
| 0228T | Column 1 (primary), can be billed with modifier | Yes | Standard preparation/monitoring services for anesthesia |
| 0230T | Column 1 (primary), can be billed with modifier | Yes | Standard preparation/monitoring services for anesthesia |
| 0251T | Column 1 (primary), can be billed with modifier | Yes | Standard preparation/monitoring services for anesthesia |
Frequently Asked Questions, CPT 00840
What does CPT code 00840 mean? +
CPT code 00840 represents: Anes iper px lower abd nos. It's in the Anesthesia category with a global period of XXX.
What is the Medicare reimbursement for CPT 00840? +
Anesthesia codes are not paid on the Physician Fee Schedule RVU system. Medicare calculates payment as (base units + time units + modifier units) × anesthesia conversion factor. See the CMS Anesthesiologists Center for the current base unit and conversion factor values.
What modifiers can I use with CPT 00840? +
Anesthesia codes use a distinct modifier set: AA (personally performed), QK/QY/QX (medical direction variants), QZ (CRNA without medical direction), AD (supervising > 4 rooms), G8/G9 (monitored anesthesia care), and ASA physical status P1-P6. Standard surgical modifiers like 50, 51, 59 do not apply.
What bundling edits apply to CPT 00840? +
This code has 10 NCCI PTP bundling relationships. See the NCCI Bundling section below for full list.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on April 17, 2026.
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