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T21.4
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T21.43
T21.43
Corrosion of unspecified degree of upper back
T21.43XA
Corrosion of unspecified degree of upper back, init encntr
Billable
Notes
T21.43XD
Corrosion of unspecified degree of upper back, subs encntr
Billable
Notes
T21.43XS
Corrosion of unspecified degree of upper back, sequela
Billable
Notes