The University of Texas (UT) wound classification system is a simple method for describing a diabetic foot lesion. It correlates with the risk of amputation and the chance for ulcer healing.
Appearance of Wound
Grade
preulcerative change, or post-healing
0
superficial wound, not involving tendon, joint capsule or bone
1
wound penetrating to tendon or joint capsule, but not bone
2
wound penetrating to bone or into joint
3
Infection Status
Circulation Status
Stage
clean (noninfected)
nonischemic
A
infected
nonischemic
B
noninfected
ischemic
C
infected
ischemic
D
Interpretation:
• The risk of amputation increases for Stages B and D, but not C.
• The healing time for the ulcer increases stepwise for each Stage.
• The chances for healing decrease with each higher Stage.
Performance:
• The UT system was a better predictor for outcome than the Wagner classification system.
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