Wiki m79.66

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B
Code: M79.66
Pain in lower leg
Parent Code Notes: M79.6
Excludes2: pain in joint (M25.5-)
Parent Code Notes: M79
Excludes1: psychogenic rheumatism (F45.8)
soft tissue pain, psychogenic (F45.41)

Block Notes
Other soft tissue disorders (M70-M79)

Coding Guidelines
Diseases of the musculoskeletal system and connective tissue (M00-M99)
Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Excludes 2: arthropathic psoriasis (L40.5-)
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
compartment syndrome (traumatic) (T79.A-)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

lmn

Contributor
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M79.66 doesn't have a bilateral code. They have right, left and unspecified. How would you bill bilateral. I am just using one for left and one for right. It doesn't make sense to not have one, unless i'm missing something.
 

dmunoz781

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Local Chapter Officer
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Leg Pain

There definitely isn't a bilateral code and since the pain IS specified as far as the location with the mention of bilateral, I have and would use the two separate codes one for the left and one for the right.
 
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M79.66 requires a 6th digit:
M79.661 Pain in right lower leg
M79.662 Pain in left lower leg

If the patient has bilateral lower leg pain, you'd use both of those codes to indicate left and right.
 
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