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A11 Nontraumatic compartment syndrome of right upper extremity

M79.A12 Nontraumatic compartment syndrome of left upper extremity

M79.A19 Nontraumatic compartment syndrome of unspecified upper extremity

M79.A2 Nontraumatic compartment syndrome of lower extremity

Nontraumatic compartment syndrome of hip, buttock, thigh, leg, foot, and toes

M79.A21 Nontraumatic compartment syndrome of right lower extremity

M79.A22 Nontraumatic compartment syndrome of left lower extremity

M79.A29 Nontraumatic compartment syndrome of unspecified lower extremity

M79.A3 Nontraumatic compartment syndrome of abdomen

M79.A9 Nontraumatic compartment syndrome of other sites

M79.8 Other specified soft tissue disorders

M79.81 Nontraumatic hematoma of soft tissue

Nontraumatic hematoma of muscle

Nontraumatic seroma of muscle and soft tissue

M79.89 Other specified soft tissue disorders

Polyalgia

M79.9 Soft tissue disorder, unspecified

Disorders of bone density and structure (M80-M85)

M80 Osteoporosis with current pathological fracture

Includes: osteoporosis with current fragility fracture

Note: fragility fracture is defined as a fracture sustained with trauma no more than a fall from a standing height or less that occurs under circumstances that would not cause a fracture in a normal healthy bone

Use additional code to identify major osseous defect, if applicable (M89.7-)

Excludes1: collapsed vertebra NOS (M48.5)

pathological fracture NOS (M84.4)

wedging of vertebra NOS (M48.5)

Excludes2: personal history of (healed) osteoporosis fracture (Z87.310)

The appropriate 7th character is to be added to each code from category M80:

A initial encounter for fracture

D subsequent encounter for fracture with routine healing

G subsequent encounter for fracture with delayed healing

K