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7 Cards in this Set
- Front
- Back
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How must fifth characters in chapter XIII be used |
Fifth characters exist throughout chapter XIII, notes exist at chapter, category or code level to indicate which codes can be further specified. Fifth characters must be used when this information is available in the medical record, and it provides additional information on the site. If the code at fourth character level is already site specific then the fifth character is not required. If a condition affects multiple sites the .0 must be used, the .0 must not be used for bilateral sites this must have the fifth character for that site assigned. A three character code that requires fifth character assignment must have filler X assigned as the fourth character. |
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Explain how to code injuries of the musculoskeletal system and connective tissue |
Old or recurrent injuries of the musculoskeletal system and connective tissue must be assigned a code from Chapter XIII. Current injuries must be coded to chapter XIX unless the index directs otherwise (i.e Pathological Fracture) |
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Explain how to code juvenile arthritis |
Juvenile arthritis must only be coded when it has been documented, the note at M08 must not be used by the coder |
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How must arthrosis be coded |
Terms such as primary, secondary and post-traumatic are essential modifiers and must be present in the diagnostic statement before these specific forms of arthrosis can be coded. If no modifiers are given it must be coded as unspecified arthrosis. M19 is used for osteoarthrosis of any site other than hip, knee, first carpometacarpal joint or spine. Polyarthrosis must be used for arthrosis with more than one site (i.e M16 and M17 is coded to M15). Polyarthrosis must not be used for bilateral involvement of a single joint, Oa of spine is excluded from the code range for Polyarthrosis. |
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When must renal failure be coded with rhabdomyolysis |
Renal failure due to non-traumatic rhabdomyolysis must be coded in addition to the rhabdomyolysis. Renal failure due to traumatic rhabdomyolysis is coded to T79.5 traumatic anuria alone. |
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Explain how to code Pathological Fractures |
In order to code a Pathological Fracture in osteoporosis or due to neoplastic disease it must be clearly documented that the Pathological Fracture was due to the osteoporosis or the neoplastic disease. If a patient with osteoporosis or a neoplasm has a fall resulting in a Fracture and it is not documented that the Fracture was due to osteoporosis or a neoplasm it must be coded as traumatic. |
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Explain how to code periprosthetic and peri-implant Fractures |
Periprosthetic /peri-implant Fracture is coded to chapter XIII Fracture of bone following orthopedic implant. If it is documented as traumatic an external cause code is assigned in addition. Intraoperative Fracture occurring during insertion, removal or revision of a prosthesis this is coded using a chapter XIX injury code and Y79.2 orthopedic devices associated with adverse incidents. |
