0K900ZXDrainage of Head Muscle, Open Approach, Diagnostic
- Billable / Specific Code
0K900ZX is a billable ICD-10-PCS procedure code for Drainage of Head Muscle, Open Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 12 MS-DRGs. The root operation Drainage involves taking or letting out fluids and/or gases from a body part.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 0 | Medical and Surgical |
| 2 | Body System | K | Muscles |
| 3 | Operation | 9 | Drainage |
| 4 | BodyPart | 0 | Head Muscle |
| 5 | Approach | 0 | Open |
| 6 | Device | Z | No Device |
| 7 | Qualifier | X | Diagnostic |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0K900ZX under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0K900ZX
Is 0K900ZX a billable code?
Yes. 0K900ZX is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Head Muscle, Open Approach, Diagnostic on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0K900ZX mean?
0K900ZX breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character K is the Body System (Muscles); the 3rd character 9 is the Operation (Drainage); the 4th character 0 is the BodyPart (Head Muscle); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character X is the Qualifier (Diagnostic).
What MS-DRG does 0K900ZX group to?
On an inpatient stay, Drainage of Head Muscle, Open Approach, Diagnostic maps to MS-DRGs 040, 041, 042, 500, 501, 502, 579, 580, 581, 802, 803, 804, with relative weights from 1.3459 to 3.9841. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0K900ZX?
Under the General Equivalence Mappings, Drainage of Head Muscle, Open Approach, Diagnostic crosswalks to ICD-9-PCS 83.21. The mapping is approximate, so confirm it fits the documentation.
