4A0FXEJ ICD-10-PCS Code: Measurement of Musculoskeletal Body Composition using Air Displacement Plethysmography, External Approach
Measure MS Body Compsitn, Air Displc Plethysmgrph, Extern
Axis Breakdown
Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.
| Position | Value | Meaning |
|---|---|---|
| 1 | Section4 | Measurement and Monitoring |
| 2 | Body SystemA | Physiological Systems |
| 3 | Root Operation0 | Measurement Determining the level of a physiological or physical function at a point in time |
| 4 | Body SystemF | Musculoskeletal |
| 5 | ApproachX | External |
| 6 | Function / DeviceE | Body Composition |
| 7 | QualifierJ | Air Displacement Plethysmography |
Contextual Map
Every relationship of 4A0FXEJ in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
PCS table
- 4A0[PCS table]— CMS ICD-10-PCS tables
- Measurement and Monitoring — Section: Measurement and Monitoring[Section]: “Measurement and Monitoring”— CMS ICD-10-PCS tables
- Physiological Systems — Body System: Physiological Systems[Body System]: “Physiological Systems”— CMS ICD-10-PCS tables
- Measurement — Operation: Measurement[Operation]: “Measurement”— CMS ICD-10-PCS tables
Change history
- FY2026 (April) — Added to the code set[Change history]— CMS release files (code change ledger) · icd10pcs-fy2026
Change history
- FY2026 (April) — April 1, 2026Added to the code setMeasurement of Musculoskeletal Body Composition using Air Displacement Plethysmography, External ApproachFY2026 (April) changes
Read from: CMS ICD-10-PCS code tables, index and definitions — FY2027; CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44; AHRQ HCUP Clinical Classifications Software Refined for ICD-10-PCS Procedures (hcup-us.ahrq.gov/toolssoftware/ccsr/PRCCSR_v2026-1.zip) — v2026.1. All data sources · How to read the labels · How MedCoder verifies its implementation
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources