MCMCB Pro
T81.83XD

T81.83XDPersistent postprocedural fistula, subsequent encounter

Billable / specific codeICD-10-CMPOA exempt

T81.83XD is a billable, specific ICD-10-CM code for persistent postprocedural fistula, subsequent encounter. It is valid for submission on a claim.

7th character "D" — subsequent encounter

The appropriate 7th character is to be added to each code from category T81

A
initial encounter
D
subsequent encounter
S
sequela

Use additional code

Add a secondary code to capture the detail described below.

  • code, if known, for site of fistula such as:
  • anal fistula (K60.3-)
  • anorectal fistula (K60.5-)
  • bladder fistula (N32.2)
  • other female intestinal-genital tract fistulae (N82.4)

Code also

Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.

  • , if applicable, disruption of internal operation (surgical) wound (T81.32-)

Risk adjustment

T81.83XD does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

T81.83XD is named in 4 Medicare coverage policies 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53058Billing and Coding: Home Health Physical Therapy
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A57206Billing and Coding: Lumbar MRI

Related codes at this level

Codes that share T81.83. If T81.83XD is not quite right, the correct code is usually one of these.

Questions about T81.83XD

Is T81.83XD a billable ICD-10-CM code?
Yes. T81.83XD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T81.83XD sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Complications of surgical and medical care, not elsewhere classified (T80-T88).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.