Alphabetic Index FY2027

T82.590D

Other mechanical complication of surgically created arteriovenous fistula, subsequent encounter

FY2027Chapter 19: Injury, poisoning and certain other consequences of external causes/T80–T88 Complications of surgical and medical care, not elsewhere classified

BillableComplete code, valid to report

T82.590D (also written T82590D) is a billable ICD-10-CM diagnosis code for other mechanical complication of surgically created arteriovenous fistula, subsequent encounter. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 297 codes in category T82 (Complications of cardiac and vascular prosthetic devices, implants and grafts). The Alphabetic Index lists it under 3 entries. Its 7th character, D, means subsequent encounter. Its coding notes include a Use additional code instruction and 25 Excludes2 entries.

7th character

Category T82 requires a 7th character.

Assembled code T82.590D Open code

Guidelines tips

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

The 7th character depends on whether the patient is in active treatment, not on who sees the patient. An aftercare Z code is not used for injury aftercare.

Guidelines I.C.19.aInjuries: application of 7th charactersRead the official text

A complication code needs the provider's documented cause-and-effect link between the care and the condition. Some T codes already include the type of procedure, so no external cause code is needed.

Guidelines I.B.16; I.C.19.g.4Complications of careRead the official text

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (4 notes)
Inherited from T80–T88 Complications of surgical and medical care, not elsewhere classified
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • code(s) to identify the specified condition resulting from the complication
  • code to identify devices involved and details of circumstances (Y62-Y82)
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
  • code to identify any retained foreign body, if applicable (Z18.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from T82.5 Mechanical complication of other cardiac and vascular devices and implants
  • mechanical complication of epidural and subdural infusion catheter (T85.61)
Inherited from T82 Complications of cardiac and vascular prosthetic devices, implants and grafts
  • failure and rejection of transplanted organs and tissue (T86.-)
Also from chapter/block level (23 notes)
Inherited from T80–T88 Complications of surgical and medical care, not elsewhere classified
  • any encounters with medical care for postprocedural conditions in which no complications are present, such as:
    • artificial opening status (Z93.-)
    • closure of external stoma (Z43.-)
    • fitting and adjustment of external prosthetic device (Z44.-)
    • burns and corrosions from local applications and irradiation (T20-T32)
    • complications of surgical procedures during pregnancy, childbirth and the puerperium (O00-O9A)
    • mechanical complication of respirator [ventilator] (J95.850)
    • poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)
    • postprocedural fever (R50.82)
  • specified complications classified elsewhere, such as:
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Notes

Also from chapter/block level (2 notes)
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

Alphabetic Index terms

Terms the official Alphabetic Index lists for T82.590. This code adds the 7th character. 3 entries