09N98ZZ ICD-10-PCS Code: Release Right Auditory Ossicle, Via Natural or Artificial Opening Endoscopic

Related Codes

Same operation — other Body Part

Same table and root operation, differing only in the body part character.

09N58ZZ — Release Right Middle Ear, Via Natural or Artificial Opening Endoscopic, 09N68ZZ — Release Left Middle Ear, Via Natural or Artificial Opening Endoscopic, 09N78ZZ — Release Right Tympanic Membrane, Via Natural or Artificial Opening Endoscopic, 09N88ZZ — Release Left Tympanic Membrane, Via Natural or Artificial Opening Endoscopic, 09NA8ZZ — Release Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic, 09NB8ZZ — Release Right Mastoid Sinus, Via Natural or Artificial Opening Endoscopic, 09NC8ZZ — Release Left Mastoid Sinus, Via Natural or Artificial Opening Endoscopic, 09ND8ZZ — Release Right Inner Ear, Via Natural or Artificial Opening Endoscopic, +18 more

Same operation — other Approach

Same table and root operation, differing only in the approach character.

09N90ZZ — Release Right Auditory Ossicle, Open Approach

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under ENT procedures, NEC (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.

+1233 more

Contextual Map

Every relationship of 09N98ZZ 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 09N98ZZ with these 5 related codes in Claim Check

PCS table

• 09N[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
• Release — Operation: Release[Operation]: “Release”— CMS ICD-10-PCS tables

MS-DRG participation

• DRG 143 — OTHER EAR, NOSE, MOUTH AND THROAT O.R. PROCEDURES WITH MCC[MS-DRG]: “OTHER EAR, NOSE, MOUTH AND THROAT O.R. PROCEDURES WITH MCC — Other Ear, Nose, Mouth and Throat O.R. Procedures (MDC 03)”— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
• DRG 144 — OTHER EAR, NOSE, MOUTH AND THROAT O.R. PROCEDURES WITH CC[MS-DRG]: “OTHER EAR, NOSE, MOUTH AND THROAT O.R. PROCEDURES WITH CC — Other Ear, Nose, Mouth and Throat O.R. Procedures (MDC 03)”— CMS MS-DRG Definitions Manual (Appendix E) · FY2027
• DRG 145 — OTHER EAR, NOSE, MOUTH AND THROAT O.R. PROCEDURES WITHOUT CC/MCC[MS-DRG]: “OTHER EAR, NOSE, MOUTH AND THROAT O.R. PROCEDURES WITHOUT CC/MCC — Other Ear, Nose, Mouth and Throat O.R. Procedures (MDC 03)”— CMS MS-DRG Definitions Manual (Appendix E) · FY2027

Clinical classification (CCSR)

• ENT017 — ENT procedures, NEC[CCSR category]: “ENT procedures, NEC — 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

• 09N38ZZ — Release Right External Auditory Canal, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
• 09N48ZZ — Release Left External Auditory Canal, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
• 09N58ZZ — Release Right Middle Ear, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
• 09N68ZZ — Release Left Middle Ear, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
• 09N78ZZ — Release Right Tympanic Membrane, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
• 09N88ZZ — Release Left Tympanic Membrane, Via Natural or Artificial Opening Endoscopic[One axis away]— CMS ICD-10-PCS tables
• 09N90ZZ — Release Right Auditory Ossicle, Open Approach[One axis away]— CMS ICD-10-PCS tables
• 09NA8ZZ — Release Left Auditory Ossicle, Via Natural or Artificial Opening Endoscopic[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