T21.46XA vs T22
T21.46XA (Corrosion of unspecified degree of male genital region, initial encounter) compared with T22 (Burn and corrosion of shoulder and upper limb, except wrist and hand), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. T21.46XA carries an Excludes2 note covering T22: “burns and corrosion of axilla (T22.- with fifth character 4)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. T21.46XA carries an Excludes2 note covering T22: “burns and corrosion of scapular region (T22.- with fifth character 6)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. T21.46XA carries an Excludes2 note covering T22: “burns and corrosion of shoulder (T22.- with fifth character 5)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. T22 carries an Excludes2 note covering T21.46XA: “burn and corrosion of interscapular region (T21.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T21.46XACorrosion of unspecified degree of male genital region, initial encounter | T22Burn and corrosion of shoulder and upper limb, except wrist and hand | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: T22.00XA, T22.00XD, T22.00XS, T22.011A, T22.011D |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Corrosion of unspecified degree of male genital region, initial encounter is a billable ICD-10-CM diagnosis code (T21.46A). | Burn and corrosion of shoulder and upper limb, except wrist and hand is a non-billable ICD-10-CM category code (T22). |
| 7th character | The appropriate 7th character is to be added to each code from category T21 | The appropriate 7th character is to be added to each code from category T22 |
| Includes | burns and corrosion of hip region burns and corrosions of first degree [erythema] burns and corrosions of second degree [blisters][epidermal loss] burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss] | burns and corrosions of first degree [erythema] burns and corrosions of second degree [blisters][epidermal loss] burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss] |
| Use additional code | external cause code to identify place (Y92) code from category T31 or T32 to identify extent of body surface involved | code from category T31 or T32 to identify extent of body surface involved |
| Code first | (T51-T65) to identify chemical and intent | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources