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Inpatient Procedure Code

0T777ZZ

Dilation of Left Ureter, Via Natural or Artificial Opening

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.

PositionValueMeaning
1
Section0

Medical and Surgical

2
Body SystemT

Urinary System

3
Root Operation7

Dilation

Expanding an orifice or the lumen of a tubular body part

4
Body Part7

Ureter, Left

5
Approach7

Via Natural or Artificial Opening

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.

0T737ZZ — Dilation of Right Kidney Pelvis, Via Natural or Artificial Opening, 0T747ZZ — Dilation of Left Kidney Pelvis, Via Natural or Artificial Opening, 0T767ZZ — Dilation of Right Ureter, Via Natural or Artificial Opening, 0T787ZZ — Dilation of Bilateral Ureters, Via Natural or Artificial Opening, 0T7B7ZZ — Dilation of Bladder, Via Natural or Artificial Opening, 0T7C7ZZ — Dilation of Bladder Neck, Via Natural or Artificial Opening, 0T7D7ZZ — Dilation of Urethra, Via Natural or Artificial Opening

Same operation — other Approach

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

0T770ZZ — Dilation of Left Ureter, Open Approach, 0T773ZZ — Dilation of Left Ureter, Percutaneous Approach, 0T774ZZ — Dilation of Left Ureter, Percutaneous Endoscopic Approach, 0T778ZZ — Dilation of Left Ureter, Via Natural or Artificial Opening Endoscopic

Same operation — other Device

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

0T777DZ — Dilation of Left Ureter with Intraluminal Device, Via Natural or Artificial Opening

Contextual Map

Every relationship of 0T777ZZ 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

  • 0T7[PCS table]
  • [object Object] — Section: [object Object] [Section]: “[object Object]”
  • [object Object] — Body System: [object Object] [Body System]: “[object Object]”
  • [object Object] — Operation: [object Object] [Operation]: “[object Object]”

Nearest codes

  • 0T737ZZ — Dilation of Right Kidney Pelvis, Via Natural or Artificial Opening [One axis away]
  • 0T747ZZ — Dilation of Left Kidney Pelvis, Via Natural or Artificial Opening [One axis away]
  • 0T767ZZ — Dilation of Right Ureter, Via Natural or Artificial Opening [One axis away]
  • 0T770ZZ — Dilation of Left Ureter, Open Approach [One axis away]
  • 0T773ZZ — Dilation of Left Ureter, Percutaneous Approach [One axis away]
  • 0T774ZZ — Dilation of Left Ureter, Percutaneous Endoscopic Approach [One axis away]
  • 0T777DZ — Dilation of Left Ureter with Intraluminal Device, Via Natural or Artificial Opening [One axis away]
  • 0T778ZZ — Dilation of Left Ureter, Via Natural or Artificial Opening Endoscopic [One axis away]

Change history

No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.