Final answer:
ICD-10-CM codes for this patient would include L03.115 for cellulitis, B96.5 for the Pseudomonas infection, Z79.84 for long-term use of oral hypoglycemics, and E11.51 for Type 2 diabetes with peripheral angiopathy.
Step-by-step explanation:
The ICD-10-CM codes that would be assigned for this patient include:
- L03.115: Cellulitis of left lower limb.
- B96.5: Pseudomonas (aeruginosa) as the cause of diseases classified elsewhere.
- Z79.84: Long term (current) use of oral hypoglycemic drugs.
- E11.51: Type 2 diabetes mellitus with diabetic peripheral angiopathy without gangrene.
The patient, a 57-year-old male with cellulitis on the left leg due to piperacillin-resistant Pseudomonas aeruginosa and a history of a healed puncture wound, also suffers from Type 2 diabetes with peripheral angiopathy and takes Metformin.