Z86.31 Personal history of diabetic foot ulcer

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Excludes2 (not included here)

• current diabetic foot ulcer (E08.621, E09.621, E10.621, E11.621, E13.621)

Applies from Z86 Personal history of certain other diseases

Code first

• any follow-up examination after treatment (Z09)

Applies from Z86.3 Personal history of endocrine, nutritional and metabolic diseases

Applicable to

• Conditions classifiable to E00-E88

MS-DRG index

Defines the logic of DRG(s) 951 in MDC 23.

Approximate ICD-9-CM (GEMs)

• V12.29 Personal history of other endocrine, metabolic, and immunity disorders (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to Z86.31

Back-references to Z86.31

• Type 2 Excludes: Z87.2 Personal history of diseases of the skin and subcutaneous tissue ("personal history of diabetic foot ulcer (Z86.31)")

Back-references to Z86

• Use Additional: Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm ("code to identify any applicable history of disease code (Z86.-, Z87.-)")

Diagnosis Index entries for Z86.31

• History › personal (of) › diabetic foot ulcer
• History › personal (of) › disease or disorder (of) › endocrine › diabetic foot ulcer
• History › personal (of) › disease or disorder (of) › metabolic › diabetic foot ulcer

Nearby codes

• Z86.15 Personal history of latent tuberculosis infection
• Z86.16 Personal history of COVID-19
• Z86.19 Personal history of other infectious and parasitic diseases
• Z86.2 Personal history of diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
• Z86.3 Personal history of endocrine, nutritional and metabolic diseases
• Z86.31 Personal history of diabetic foot ulcer (this code)
• Z86.32 Personal history of gestational diabetes
• Z86.39 Personal history of other endocrine, nutritional and metabolic disease
• Z86.5 Personal history of mental and behavioral disorders
• Z86.51 Personal history of combat and operational stress reaction
• Z86.59 Personal history of other mental and behavioral disorders