0S9Q4ZZ ICD-10-PCS Code: Drainage of Left Toe Phalangeal Joint, Percutaneous Endoscopic Approach
Drainage of Left Toe Phalangeal Joint, Perc Endo Approach
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 | Section0 | Medical and Surgical |
| 2 | Body SystemS | Lower Joints |
| 3 | Root Operation9 | Drainage Taking or letting out fluids and/or gases from a body part |
| 4 | Body PartQ | Toe Phalangeal Joint, Left |
| 5 | Approach4 | Percutaneous Endoscopic |
| 6 | DeviceZ | No Device |
| 7 | QualifierZ | No Qualifier |
Related Codes
Same operation — other Body Part
Same table and root operation, differing only in the body part character.
0S9G4ZZ — Drainage of Left Ankle Joint, Percutaneous Endoscopic Approach, 0S9H4ZZ — Drainage of Right Tarsal Joint, Percutaneous Endoscopic Approach, 0S9J4ZZ — Drainage of Left Tarsal Joint, Percutaneous Endoscopic Approach, 0S9K4ZZ — Drainage of Right Tarsometatarsal Joint, Percutaneous Endoscopic Approach, 0S9L4ZZ — Drainage of Left Tarsometatarsal Joint, Percutaneous Endoscopic Approach, 0S9M4ZZ — Drainage of Right Metatarsal-Phalangeal Joint, Percutaneous Endoscopic Approach, 0S9N4ZZ — Drainage of Left Metatarsal-Phalangeal Joint, Percutaneous Endoscopic Approach, 0S9P4ZZ — Drainage of Right Toe Phalangeal Joint, Percutaneous Endoscopic Approach, +13 more
Same operation — other Approach
Same table and root operation, differing only in the approach character.
0S9Q0ZZ — Drainage of Left Toe Phalangeal Joint, Open Approach, 0S9Q3ZZ — Drainage of Left Toe Phalangeal Joint, Percutaneous Approach
Same operation — other Device
Same table and root operation, differing only in the device character.
Same operation — other Qualifier
Same table and root operation, differing only in the qualifier character.
0S9Q4ZX — Drainage of Left Toe Phalangeal Joint, Percutaneous Endoscopic Approach, Diagnostic
Same procedure category (CCSR), other tables
AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Incision and drainage of musculoskeletal tissue and joints (Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures); listed here are the members in other PCS tables. Source: Clinical Classifications Software Refined (CCSR), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, November 2025.
+1843 more
Contextual Map
Every relationship of 0S9Q4ZZ 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
- 0S9[PCS table]— CMS ICD-10-PCS tables
- Medical and Surgical — Section: Medical and Surgical[Section]: “Medical and Surgical”— CMS ICD-10-PCS tables
- Lower Joints — Body System: Lower Joints[Body System]: “Lower Joints”— CMS ICD-10-PCS tables
- Drainage — Operation: Drainage[Operation]: “Drainage”— CMS ICD-10-PCS tables
Clinical classification (CCSR)
- MST004 — Incision and drainage of musculoskeletal tissue and joints[CCSR category]: “Incision and drainage of musculoskeletal tissue and joints — Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1
Nearest codes
- 0S904ZZ — Drainage of Lumbar Vertebral Joint, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
- 0S924ZZ — Drainage of Lumbar Vertebral Disc, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
- 0S934ZZ — Drainage of Lumbosacral Joint, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
- 0S944ZZ — Drainage of Lumbosacral Disc, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
- 0S954ZZ — Drainage of Sacrococcygeal Joint, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
- 0S964ZZ — Drainage of Coccygeal Joint, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
- 0S974ZZ — Drainage of Right Sacroiliac Joint, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
- 0S984ZZ — Drainage of Left Sacroiliac Joint, Percutaneous Endoscopic Approach[One axis away]— CMS ICD-10-PCS tables
Change history
No changes recorded for this code. This ledger tracks additions, deletions and description changes from FY2026 (April) onward. Note changes are not tracked.
Read from: CMS ICD-10-PCS code tables, index and definitions — FY2026 (April); CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43; 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