Strain of muscle, fascia and tendon of the posterior muscle group at thigh level, left thigh

• 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.

• burns and corrosions (T20-T32)
• frostbite (T33-T34)
• snake bite (T63.0-)
• venomous insect bite or sting (T63.4-)

• injury of muscle, fascia and tendon at lower leg level (S86)
• sprain of joint and ligament of hip (S73.1)

any associated open wound (S71.-)

The appropriate 7th character is to be added to each code from category S76