Is T21.43XA a billable code?
Yes. T21.43XA is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
T21.43XA: Corrosion of unspecified degree of upper back, initial encounter
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
T21.43XA is a billable ICD-10-CM diagnosis code for corrosion of unspecified degree of upper back, initial encounter. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with T21.43XA already added.Good Faith EstimateStart a cost estimate with T21.43XA already added.CMS-1500 Claim FormFill a claim form with T21.43XA in box 21.
T21.43XA questions
What does T21.43XA mean?
T21.43XA is the ICD-10-CM code for Corrosion of unspecified degree of upper back, initial encounter. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.