Mechanical loosening of internal right knee prosthetic joint

• birth trauma (P10-P15)
• obstetric trauma (O70-O71)

code to identify any retained foreign body, if applicable (Z18.-)

• 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.

• 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:
• 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)

• 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)

• failure and rejection of transplanted organs and tissues (T86.-)
• fracture of bone following insertion of orthopedic implant, joint prosthesis or bone plate (M96.6)

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

Aseptic loosening of prosthetic joint