The three main causes to think about are:
Pain in leg, unspecified
When Is Leg Swelling a Sign of Something Serious?
Short description: Lower leg injury NOS. ICD-9-CM 959.7 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 959.7 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
ICD-10-CM Code for Unspecified open wound, left lower leg, initial encounter S81. 802A.
S99.922AS99. 922A - Unspecified injury of left foot [initial encounter]. ICD-10-CM.
Superficial injury of knee and lower leg ICD-10-CM S80. 911A is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
ICD-10 code M79. 605 for Pain in left leg is a medical classification as listed by WHO under the range - Soft tissue disorders .
M25. 561 Pain in right knee - ICD-10-CM Diagnosis Codes.
M79. 671 Pain in right foot - ICD-10-CM Diagnosis Codes.
Unspecified injury of unspecified lower leg, initial encounter. S89. 90XA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2022 edition of ICD-10-CM S89.
S80. 912A - Unspecified superficial injury of left knee [initial encounter]. ICD-10-CM.
606.
The 2022 edition of ICD-10-CM M79. 66 became effective on October 1, 2021. This is the American ICD-10-CM version of M79.
ICD-10 code R22. 42 for Localized swelling, mass and lump, left lower limb is a medical classification as listed by WHO under the range - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified .
605 Pain in left leg.
Unspecified injury of unspecified lower leg, initial encounter 1 S00-T88#N#2021 ICD-10-CM Range S00-T88#N#Injury, poisoning and certain other consequences of external causes#N#Note#N#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#N#Type 1 Excludes#N#birth trauma ( P10-P15)#N#obstetric trauma ( O70 - O71)#N#Use Additional#N#code to identify any retained foreign body, if applicable ( Z18.-)#N#Injury, poisoning and certain other consequences of external causes 2 S80-S89#N#2021 ICD-10-CM Range S80-S89#N#Injuries to the knee and lower leg#N#Type 2 Excludes#N#burns and corrosions ( T20 - T32)#N#frostbite ( T33-T34)#N#injuries of ankle and foot, except fracture of ankle and malleolus ( S90-S99)#N#insect bite or sting, venomous ( T63.4)#N#Injuries to the knee and lower leg 3 S89#N#ICD-10-CM Diagnosis Code S89#N#Other and unspecified injuries of lower leg#N#2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code#N#Note#N#A fracture not indicated as open or closed should be coded to closed#N#Type 2 Excludes#N#other and unspecified injuries of ankle and foot ( S99.-)#N#Other and unspecified injuries of lower leg
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. Type 1 Excludes.
Unspecified superficial injury of left thigh, initial encounter 1 S70.922A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2 Short description: Unspecified superficial injury of left thigh, init encntr 3 The 2021 edition of ICD-10-CM S70.922A became effective on October 1, 2020. 4 This is the American ICD-10-CM version of S70.922A - other international versions of ICD-10 S70.922A may differ.
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. Type 1 Excludes.