T21.44XDBillable

Corrosion of unspecified degree of lower back, subsequent encounter

Short description: Corrosion of unspecified degree of lower back, subs encntr

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T21
Effective date
October 1, 2026

Related codes in category T21

Frequently asked questions

What is ICD-10 code T21.44XD?

T21.44XD is an ICD-10-CM diagnosis code for Corrosion of unspecified degree of lower back, subsequent encounter.

Is T21.44XD a billable code?

Yes. T21.44XD is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T21.44XD in?

T21.44XD falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T21.44XD become effective?

T21.44XD has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T21.44XD?

T21.44XD belongs to category T21, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.