09TC8ZZ ICD-10-PCS Code: Resection of Left Mastoid Sinus, Via Natural or Artificial Opening Endoscopic
Resection of Left Mastoid Sinus, Endo
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 System9 | Ear, Nose, Sinus |
| 3 | Root OperationT | Resection Cutting out or off, without replacement, all of a body part |
| 4 | Body PartC | Mastoid Sinus, Left |
| 5 | Approach8 | Via Natural or Artificial Opening Endoscopic |
| 6 | DeviceZ | No Device |
| 7 | QualifierZ | No Qualifier |
MS-DRG Grouper Relationships (FY2027)
Potential MS-DRG participation — not a DRG assignment.
The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 2 MS-DRGs:
From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.
Related Codes
Same operation — other Body Part
Same table and root operation, differing only in the body part character.
09T88ZZ — Resection of Left Tympanic Membrane, Via Natural or Artificial Opening Endoscopic, 09T98ZZ — Resection of Right Auditory Ossicle, Via Natural or Artificial Opening Endoscopic, 09TA8ZZ — Resection of Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic, 09TB8ZZ — Resection of Right Mastoid Sinus, Via Natural or Artificial Opening Endoscopic, 09TD8ZZ — Resection of Right Inner Ear, Via Natural or Artificial Opening Endoscopic, 09TE8ZZ — Resection of Left Inner Ear, Via Natural or Artificial Opening Endoscopic, 09TF8ZZ — Resection of Right Eustachian Tube, Via Natural or Artificial Opening Endoscopic, 09TG8ZZ — Resection of Left Eustachian Tube, Via Natural or Artificial Opening Endoscopic, +16 more
Same operation — other Approach
Same table and root operation, differing only in the approach character.
09TC0ZZ — Resection of Left Mastoid Sinus, Open Approach, 09TC4ZZ — Resection of Left Mastoid Sinus, Percutaneous Endoscopic Approach
Same procedure category (CCSR), other tables
AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Nasal and sinus excision (Ear, Nose, and Throat 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.
09DR3ZZ — Extraction of Left Maxillary Sinus, Percutaneous Approach, 09DR4ZZ — Extraction of Left Maxillary Sinus, Percutaneous Endoscopic Approach, 09DS0ZZ — Extraction of Right Frontal Sinus, Open Approach, 09DS3ZZ — Extraction of Right Frontal Sinus, Percutaneous Approach, 09DS4ZZ — Extraction of Right Frontal Sinus, Percutaneous Endoscopic Approach, 09DT0ZZ — Extraction of Left Frontal Sinus, Open Approach, 09DT3ZZ — Extraction of Left Frontal Sinus, Percutaneous Approach, 09DT4ZZ — Extraction of Left Frontal Sinus, Percutaneous Endoscopic Approach, 09DU0ZZ — Extraction of Right Ethmoid Sinus, Open Approach, 09DU3ZZ — Extraction of Right Ethmoid Sinus, Percutaneous Approach, 09DU4ZZ — Extraction of Right Ethmoid Sinus, Percutaneous Endoscopic Approach, 09DV0ZZ — Extraction of Left Ethmoid Sinus, Open Approach, 09DV3ZZ — Extraction of Left Ethmoid Sinus, Percutaneous Approach, 09DV4ZZ — Extraction of Left Ethmoid Sinus, Percutaneous Endoscopic Approach, 09DW0ZZ — Extraction of Right Sphenoid Sinus, Open Approach, 09DW3ZZ — Extraction of Right Sphenoid Sinus, Percutaneous Approach, 09DW4ZZ — Extraction of Right Sphenoid Sinus, Percutaneous Endoscopic Approach, 09DX0ZZ — Extraction of Left Sphenoid Sinus, Open Approach, 09DX3ZZ — Extraction of Left Sphenoid Sinus, Percutaneous Approach, 09DX4ZZ — Extraction of Left Sphenoid Sinus, Percutaneous Endoscopic Approach, +147 more
Contextual Map
Every relationship of 09TC8ZZ 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.
Run 09TC8ZZ with these 5 related codes in Claim Check
PCS table
- 09T[PCS table]— CMS ICD-10-PCS tables
- Medical and Surgical — Section: Medical and Surgical[Section]: “Medical and Surgical”— CMS ICD-10-PCS tables
- Ear, Nose, Sinus — Body System: Ear, Nose, Sinus[Body System]: “Ear, Nose, Sinus”— CMS ICD-10-PCS tables
- Resection — Operation: Resection[Operation]: “Resection”— CMS ICD-10-PCS tables
MS-DRG participation
- DRG 135 — SINUS AND MASTOID PROCEDURES WITH CC/MCC[MS-DRG]: “SINUS AND MASTOID PROCEDURES WITH CC/MCC — Sinus and Mastoid Procedures (MDC 03)”— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
- DRG 136 — SINUS AND MASTOID PROCEDURES WITHOUT CC/MCC[MS-DRG]: “SINUS AND MASTOID PROCEDURES WITHOUT CC/MCC — Sinus and Mastoid Procedures (MDC 03)”— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
Clinical classification (CCSR)
- ENT008 — Nasal and sinus excision[CCSR category]: “Nasal and sinus excision — Ear, Nose, and Throat Procedures”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1
MDC crossing · diagnoses (1449)
- MDC 03 — Diseases and Disorders of the Ear, Nose, Mouth and Throat[MDC crossing]: “Diseases and Disorders of the Ear, Nose, Mouth and Throat — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”— CMS MS-DRG Definitions Manual · FY2027
- A18.6 — Tuberculosis of (inner) (middle) ear[Same-MDC diagnosis]: “Tuberculosis of (inner) (middle) ear — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- A36.0 — Pharyngeal diphtheria[Same-MDC diagnosis]: “Pharyngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- A36.1 — Nasopharyngeal diphtheria[Same-MDC diagnosis]: “Nasopharyngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- A36.2 — Laryngeal diphtheria[Same-MDC diagnosis]: “Laryngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- A54.5 — Gonococcal pharyngitis[Same-MDC diagnosis]: “Gonococcal pharyngitis — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 1444 more
Nearest codes
- 09T58ZZ — Resection of Right Middle Ear, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
- 09T68ZZ — Resection of Left Middle Ear, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
- 09T78ZZ — Resection of Right Tympanic Membrane, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
- 09T88ZZ — Resection of Left Tympanic Membrane, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
- 09T98ZZ — Resection of Right Auditory Ossicle, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
- 09TA8ZZ — Resection of Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
- 09TB8ZZ — Resection of Right Mastoid Sinus, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
- 09TC0ZZ — Resection of Left Mastoid Sinus, Open Approach[One axis away]— CMS ICD-10-PCS tables
Change history
- FY2018 — Added to the code set[Change history]— CMS release files (code change ledger) · icd10pcs-fy2018
Change history
- FY2018 — October 1, 2017Added to the code setResection of Left Mastoid Sinus, Via Natural or Artificial Opening EndoscopicFY2018 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