S52.549K — Smith's fracture of unspecified radius, subsequent encounter for closed fracture with nonunion

7th character "K" — subsequent encounter for closed fracture with nonunion

The appropriate 7th character is to be added to all codes from category S52

A

initial encounter for closed fracture

B

initial encounter for open fracture type I or II

C

initial encounter for open fracture type IIIA, IIIB, or IIIC

D

subsequent encounter for closed fracture with routine healing

E

subsequent encounter for open fracture type I or II with routine healing

F

subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

G

subsequent encounter for closed fracture with delayed healing

H

subsequent encounter for open fracture type I or II with delayed healing

J

subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

K

subsequent encounter for closed fracture with nonunion

M

subsequent encounter for open fracture type I or II with nonunion

N

subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

P

subsequent encounter for closed fracture with malunion

Q

subsequent encounter for open fracture type I or II with malunion

R

subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

S

sequela