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ICD-10-PCS Root Operation 7
Medical and Surgical, Mouth and Throat, Dilation

The Dilation root operation is identified by the character code 7 in the 3rd position of the procedure code. It is defined as Expanding an orifice or the lumen of a tubular body part. The orifice can be a natural orifice or an artificially created orifice. Accomplished by stretching a tubular body part using intraluminal pressure or by cutting part of the orifice or wall of the tubular body part.

Includes:

  • Percutaneous transluminal angioplasty, internal urethrotomy
ICD-10-PCS code structure

Section:
  0 = Medical and Surgical

Body System:
  C = Mouth and Throat

Root Operation:

See Terms used in Medical and Surgical

The 4th character refers to the body part or body region.

Outline View ICD-10-PCS Table View

Dilation

Expanding an orifice or the lumen of a tubular body part

  • 0C7S - Larynx

    Includes:
    • Aryepiglottic fold
    • Arytenoid cartilage
    • Corniculate cartilage
    • Cuneiform cartilage
    • False vocal cord
    • Glottis
    • Rima glottidis
    • Thyroid cartilage
    • Ventricular fold

  • 0C7C - Parotid Duct, Left

    Includes:
    • Stensen's duct

  • 0C7B - Parotid Duct, Right

    Includes:
    • Stensen's duct

  • 0C7M - Pharynx

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