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ICD-10/T84.19

T84.19 ICD-10-CM Code: Other mechanical complication of internal fixation device of bones of limb

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Other mechanical complication of internal fixation device of bones of limb is a non-billable ICD-10-CM category code (T84.19). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for T84.19 in the official ICD-10-CM tabular list.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Obstruction (mechanical) of internal fixation device of bones of limb
  • Perforation of internal fixation device of bones of limb
  • Protrusion of internal fixation device of bones of limb

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • mechanical complication of internal fixation device of bones of feet (T84.2-)
  • mechanical complication of internal fixation device of bones of fingers (T84.2-)
  • mechanical complication of internal fixation device of bones of hands (T84.2-)
  • mechanical complication of internal fixation device of bones of toes (T84.2-)
  • failure and rejection of transplanted organs and tissues (T86.-)
  • fracture of bone following insertion of orthopedic implant, joint prosthesis or bone plate (M96.6)
  • 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
  • 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:
  • cerebrospinal fluid leak from spinal puncture (G97.0)
  • colostomy malfunction (K94.0-)
  • disorders of fluid and electrolyte imbalance (E86-E87)
  • functional disturbances following cardiac surgery (I97.0-I97.1)
  • intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-)
  • ostomy complications (J95.0-, K94.-, N99.5-)
  • postgastric surgery syndromes (K91.1)
  • postlaminectomy syndrome NEC (M96.1)
  • postmastectomy lymphedema syndrome (I97.2)
  • postsurgical blind-loop syndrome (K91.2)
  • ventilator associated pneumonia (J95.851)

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • Use additional code(s) to identify the specified condition resulting from the complication
  • Use additional code to identify devices involved and details of circumstances (Y62-Y82)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can T84.19 be billed directly?

No. T84.19 (Other mechanical complication of internal fixation device of bones of limb) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does T84.19 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category T84.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to T84.19 in its code family, with their registry titles.

  • T84.127S — Displacement of internal fixation device of bone of left lower leg, sequela
  • T84.129 — Displacement of internal fixation device of unspecified bone of limb
  • T84.129A — Displacement of internal fixation device of unspecified bone of limb, initial encounter
  • T84.129D — Displacement of internal fixation device of unspecified bone of limb, subsequent encounter
  • T84.129S — Displacement of internal fixation device of unspecified bone of limb, sequela
  • T84.190 — Other mechanical complication of internal fixation device of right humerus
  • T84.190A — Other mechanical complication of internal fixation device of right humerus, initial encounter
  • T84.190D — Other mechanical complication of internal fixation device of right humerus, subsequent encounter
  • T84.190S — Other mechanical complication of internal fixation device of right humerus, sequela
  • T84.191 — Other mechanical complication of internal fixation device of left humerus

View all codes in the T84 family