0H90XZZDrainage of Scalp Skin, External Approach
- Billable / Specific Code
0H90XZZ is a billable ICD-10-PCS procedure code for Drainage of Scalp Skin, External Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Drainage involves taking or letting out fluids and/or gases from a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Incision and drainage of skin.
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 | H | Skin and Breast |
| 3 | Operation | 9 | Drainage |
| 4 | BodyPart | 0 | Skin, Scalp |
| 5 | Approach | X | External |
| 6 | Device | Z | No Device |
| 7 | Qualifier | Z | No Qualifier |
Clinical Classification (CCSR)
AHRQ groups 0H90XZZ into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0H90XZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 0H90XZZ
Is 0H90XZZ a billable code?
Yes. 0H90XZZ is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Scalp Skin, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0H90XZZ mean?
0H90XZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character H is the Body System (Skin and Breast); the 3rd character 9 is the Operation (Drainage); the 4th character 0 is the BodyPart (Skin, Scalp); the 5th character X is the Approach (External); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What is the ICD-9-PCS equivalent of 0H90XZZ?
Under the General Equivalence Mappings, Drainage of Scalp Skin, External Approach crosswalks to ICD-9-PCS 86.04. The mapping is approximate, so confirm it fits the documentation.
