BY31ZZZMagnetic Resonance Imaging (MRI) of Fetal Heart
- Billable / Specific Code
BY31ZZZ is a billable ICD-10-PCS procedure code for Magnetic Resonance Imaging (MRI) of Fetal Heart. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Magnetic Resonance Imaging (MRI) involves computer reformatted digital display of multiplanar images developed from the capture of radiofrequency signals emitted by nuclei in a body site excited within a magnetic field.
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 | Y | Fetus and Obstetrical |
| 3 | Type | 3 | Magnetic Resonance Imaging (MRI) |
| 4 | BodyPart | 1 | Fetal Heart |
| 5 | Contrast | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for BY31ZZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About BY31ZZZ
Is BY31ZZZ a billable code?
Yes. BY31ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Magnetic Resonance Imaging (MRI) of Fetal Heart on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in BY31ZZZ mean?
BY31ZZZ breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character Y is the Body System (Fetus and Obstetrical); the 3rd character 3 is the Type (Magnetic Resonance Imaging (MRI)); the 4th character 1 is the BodyPart (Fetal Heart); 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 BY31ZZZ?
Under the General Equivalence Mappings, Magnetic Resonance Imaging (MRI) of Fetal Heart crosswalks to ICD-9-PCS 88.97. The mapping is approximate, so confirm it fits the documentation.
