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ICD 10 Code 0C9M8ZX

Drainage of Pharynx, Via Natural or Artificial Opening Endoscopic, Diagnostic
“Drainage of Pharynx, Endo, Diagn” for short

0C9M8ZX is a valid billable ICD-10 procedure code for Drainage of Pharynx, Via Natural or Artificial Opening Endoscopic, Diagnostic. It is found in the 2025 version of the ICD-10 Procedure Coding System (PCS) and can be used in all HIPAA-covered transactions from Oct 01, 2024 - Sep 30, 2025.

Drainage involves:
Taking or letting out fluids and/or gases from a body part. The qualifier DIAGNOSTIC is used to identify drainage procedures that are biopsies

Via Natural or Artificial Opening Endoscopic approach involves:
Entry of instrumentation through a natural or artificial external opening to reach and visualize the site of the procedure

Drainage includes:

  • Thoracentesis, incision and drainage

Pharynx body part includes:

  • Base of Tongue
  • Hypopharynx
  • Laryngopharynx
  • Lingual tonsil
  • Oropharynx
  • Piriform recess (sinus)
  • Tongue, base of

ICD-10-PCS code structure for 0C9M8ZX — See Table View

1: Section 0 Medical and Surgical
2: Body System C Mouth and Throat
3: Root Operation 9 Drainage
4: Body Part M Pharynx
5: Approach 8 Via Natural or Artificial Opening Endoscopic
6: Device Z No Device
7: Qualifier X Diagnostic

See also

  • The ICD-10-PCS Index of common procedure terms.
  • Medical and Surgical terms in the ICD-10-PCS Definitions table. These definitions may also provide additional explanation and/or examples within this section.
  • The ICD-10-PCS Device Aggregation Table containing entries that correlate a specific ICD-10-PCS device value with a general device value to be used in tables containing only general device values.