B027ZZZComputerized Tomography (CT Scan) of Cisterna
- Billable / Specific Code
B027ZZZ is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Cisterna. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Computerized Tomography (CT Scan) involves computer reformatted digital display of multiplanar images developed from the capture of multiple exposures of external ionizing radiation. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Computerized tomography (CT) without contrast.
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 | B | Imaging |
| 2 | Body System | 0 | Central Nervous System |
| 3 | Type | 2 | Computerized Tomography (CT Scan) |
| 4 | BodyPart | 7 | Cisterna |
| 5 | Contrast | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code myelogram of the CT, open the FY 2027 ICD-10-PCS Alphabetic Index at Myelogram, then the subterm CT. The index leads to table B02, where the contrast, qualifier and qualifier values shown in the breakdown above complete the seven-character code B027ZZZ.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About B027ZZZ
Is B027ZZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Cisterna on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in B027ZZZ mean?
The code breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character 0 is the Body System (Central Nervous System); the 3rd character 2 is the Type (Computerized Tomography (CT Scan)); the 4th character 7 is the BodyPart (Cisterna); the 5th character Z is the Contrast (None); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of B027ZZZ?
Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Cisterna crosswalks to ICD-9-PCS 87.03 (Computerized axial tomography of head). The mapping is approximate, so confirm it fits the documentation.
