Excludes2

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of wrist and hand (S60-S69)
  • insect bite or sting, venomous (T63.4)
  1. S52 Fracture of forearm

    Note: A fracture not indicated as displaced or nondisplaced should be coded to displaced
    A fracture not indicated as open or closed should be coded to closed
    The open fracture designations are based on the Gustilo open fracture classification

    Excludes1

    • traumatic amputation of forearm (S58.-)

    Excludes2

    • fracture at wrist and hand level (S62.-)
    • periprosthetic fracture around internal prosthetic elbow joint (M97.4)

    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
    1. S52.0 Fracture of upper end of ulna

      Inclusion term(s):

      • Fracture of proximal end of ulna
      1. S52.00 Unspecified fracture of upper end of ulna

        • S52.001 Unspecified fracture of upper end of right ulna
        • S52.002 Unspecified fracture of upper end of left ulna
        • S52.009 Unspecified fracture of upper end of unspecified ulna
      2. S52.01 Torus fracture of upper end of ulna

        • S52.011 Torus fracture of upper end of right ulna
        • S52.012 Torus fracture of upper end of left ulna
        • S52.019 Torus fracture of upper end of unspecified ulna
      3. S52.02 Fracture of olecranon process without intraarticular extension of ulna

        • S52.021 Displaced fracture of olecranon process without intraarticular extension of right ulna
        • S52.022 Displaced fracture of olecranon process without intraarticular extension of left ulna
        • S52.023 Displaced fracture of olecranon process without intraarticular extension of unspecified ulna
        • S52.024 Nondisplaced fracture of olecranon process without intraarticular extension of right ulna
        • S52.025 Nondisplaced fracture of olecranon process without intraarticular extension of left ulna
        • S52.026 Nondisplaced fracture of olecranon process without intraarticular extension of unspecified ulna
      4. S52.03 Fracture of olecranon process with intraarticular extension of ulna

        • S52.031 Displaced fracture of olecranon process with intraarticular extension of right ulna
        • S52.032 Displaced fracture of olecranon process with intraarticular extension of left ulna
        • S52.033 Displaced fracture of olecranon process with intraarticular extension of unspecified ulna
        • S52.034 Nondisplaced fracture of olecranon process with intraarticular extension of right ulna
        • S52.035 Nondisplaced fracture of olecranon process with intraarticular extension of left ulna
        • S52.036 Nondisplaced fracture of olecranon process with intraarticular extension of unspecified ulna
      5. S52.04 Fracture of coronoid process of ulna

        • S52.041 Displaced fracture of coronoid process of right ulna
        • S52.042 Displaced fracture of coronoid process of left ulna
        • S52.043 Displaced fracture of coronoid process of unspecified ulna
        • S52.044 Nondisplaced fracture of coronoid process of right ulna
        • S52.045 Nondisplaced fracture of coronoid process of left ulna
        • S52.046 Nondisplaced fracture of coronoid process of unspecified ulna
      6. S52.09 Other fracture of upper end of ulna

        • S52.091 Other fracture of upper end of right ulna
        • S52.092 Other fracture of upper end of left ulna
        • S52.099 Other fracture of upper end of unspecified ulna
    2. S52.1 Fracture of upper end of radius

      Inclusion term(s):

      • Fracture of proximal end of radius
      1. S52.10 Unspecified fracture of upper end of radius

        • S52.101 Unspecified fracture of upper end of right radius
        • S52.102 Unspecified fracture of upper end of left radius
        • S52.109 Unspecified fracture of upper end of unspecified radius
      2. S52.11 Torus fracture of upper end of radius

        • S52.111 Torus fracture of upper end of right radius
        • S52.112 Torus fracture of upper end of left radius
        • S52.119 Torus fracture of upper end of unspecified radius
      3. S52.12 Fracture of head of radius

        • S52.121 Displaced fracture of head of right radius
        • S52.122 Displaced fracture of head of left radius
        • S52.123 Displaced fracture of head of unspecified radius
        • S52.124 Nondisplaced fracture of head of right radius
        • S52.125 Nondisplaced fracture of head of left radius
        • S52.126 Nondisplaced fracture of head of unspecified radius
      4. S52.13 Fracture of neck of radius

        • S52.131 Displaced fracture of neck of right radius
        • S52.132 Displaced fracture of neck of left radius
        • S52.133 Displaced fracture of neck of unspecified radius
        • S52.134 Nondisplaced fracture of neck of right radius
        • S52.135 Nondisplaced fracture of neck of left radius
        • S52.136 Nondisplaced fracture of neck of unspecified radius
      5. S52.18 Other fracture of upper end of radius

        • S52.181 Other fracture of upper end of right radius
        • S52.182 Other fracture of upper end of left radius
        • S52.189 Other fracture of upper end of unspecified radius
    3. S52.2 Fracture of shaft of ulna

      1. S52.20 Unspecified fracture of shaft of ulna

        Inclusion term(s):

        • Fracture of ulna NOS
        • S52.201 Unspecified fracture of shaft of right ulna
        • S52.202 Unspecified fracture of shaft of left ulna
        • S52.209 Unspecified fracture of shaft of unspecified ulna
      2. S52.21 Greenstick fracture of shaft of ulna

        • S52.211 Greenstick fracture of shaft of right ulna
        • S52.212 Greenstick fracture of shaft of left ulna
        • S52.219 Greenstick fracture of shaft of unspecified ulna
      3. S52.22 Transverse fracture of shaft of ulna

        • S52.221 Displaced transverse fracture of shaft of right ulna
        • S52.222 Displaced transverse fracture of shaft of left ulna
        • S52.223 Displaced transverse fracture of shaft of unspecified ulna
        • S52.224 Nondisplaced transverse fracture of shaft of right ulna
        • S52.225 Nondisplaced transverse fracture of shaft of left ulna
        • S52.226 Nondisplaced transverse fracture of shaft of unspecified ulna
      4. S52.23 Oblique fracture of shaft of ulna

        • S52.231 Displaced oblique fracture of shaft of right ulna
        • S52.232 Displaced oblique fracture of shaft of left ulna
        • S52.233 Displaced oblique fracture of shaft of unspecified ulna
        • S52.234 Nondisplaced oblique fracture of shaft of right ulna
        • S52.235 Nondisplaced oblique fracture of shaft of left ulna
        • S52.236 Nondisplaced oblique fracture of shaft of unspecified ulna
      5. S52.24 Spiral fracture of shaft of ulna

        • S52.241 Displaced spiral fracture of shaft of ulna, right arm
        • S52.242 Displaced spiral fracture of shaft of ulna, left arm
        • S52.243 Displaced spiral fracture of shaft of ulna, unspecified arm
        • S52.244 Nondisplaced spiral fracture of shaft of ulna, right arm
        • S52.245 Nondisplaced spiral fracture of shaft of ulna, left arm
        • S52.246 Nondisplaced spiral fracture of shaft of ulna, unspecified arm
      6. S52.25 Comminuted fracture of shaft of ulna

        • S52.251 Displaced comminuted fracture of shaft of ulna, right arm
        • S52.252 Displaced comminuted fracture of shaft of ulna, left arm
        • S52.253 Displaced comminuted fracture of shaft of ulna, unspecified arm
        • S52.254 Nondisplaced comminuted fracture of shaft of ulna, right arm
        • S52.255 Nondisplaced comminuted fracture of shaft of ulna, left arm
        • S52.256 Nondisplaced comminuted fracture of shaft of ulna, unspecified arm
      7. S52.26 Segmental fracture of shaft of ulna

        • S52.261 Displaced segmental fracture of shaft of ulna, right arm
        • S52.262 Displaced segmental fracture of shaft of ulna, left arm
        • S52.263 Displaced segmental fracture of shaft of ulna, unspecified arm
        • S52.264 Nondisplaced segmental fracture of shaft of ulna, right arm
        • S52.265 Nondisplaced segmental fracture of shaft of ulna, left arm
        • S52.266 Nondisplaced segmental fracture of shaft of ulna, unspecified arm
      8. S52.27 Monteggia's fracture of ulna

        Inclusion term(s):

        • Fracture of upper shaft of ulna with dislocation of radial head
        • S52.271 Monteggia's fracture of right ulna
        • S52.272 Monteggia's fracture of left ulna
        • S52.279 Monteggia's fracture of unspecified ulna
      9. S52.28 Bent bone of ulna

      10. S52.29 Other fracture of shaft of ulna

        • S52.291 Other fracture of shaft of right ulna
        • S52.292 Other fracture of shaft of left ulna
        • S52.299 Other fracture of shaft of unspecified ulna
    4. S52.3 Fracture of shaft of radius

      1. S52.30 Unspecified fracture of shaft of radius

        • S52.301 Unspecified fracture of shaft of right radius
        • S52.302 Unspecified fracture of shaft of left radius
        • S52.309 Unspecified fracture of shaft of unspecified radius
      2. S52.31 Greenstick fracture of shaft of radius

        • S52.311 Greenstick fracture of shaft of radius, right arm
        • S52.312 Greenstick fracture of shaft of radius, left arm
        • S52.319 Greenstick fracture of shaft of radius, unspecified arm
      3. S52.32 Transverse fracture of shaft of radius

        • S52.321 Displaced transverse fracture of shaft of right radius
        • S52.322 Displaced transverse fracture of shaft of left radius
        • S52.323 Displaced transverse fracture of shaft of unspecified radius
        • S52.324 Nondisplaced transverse fracture of shaft of right radius
        • S52.325 Nondisplaced transverse fracture of shaft of left radius
        • S52.326 Nondisplaced transverse fracture of shaft of unspecified radius
      4. S52.33 Oblique fracture of shaft of radius

        • S52.331 Displaced oblique fracture of shaft of right radius
        • S52.332 Displaced oblique fracture of shaft of left radius
        • S52.333 Displaced oblique fracture of shaft of unspecified radius
        • S52.334 Nondisplaced oblique fracture of shaft of right radius
        • S52.335 Nondisplaced oblique fracture of shaft of left radius
        • S52.336 Nondisplaced oblique fracture of shaft of unspecified radius
      5. S52.34 Spiral fracture of shaft of radius

        • S52.341 Displaced spiral fracture of shaft of radius, right arm
        • S52.342 Displaced spiral fracture of shaft of radius, left arm
        • S52.343 Displaced spiral fracture of shaft of radius, unspecified arm
        • S52.344 Nondisplaced spiral fracture of shaft of radius, right arm
        • S52.345 Nondisplaced spiral fracture of shaft of radius, left arm
        • S52.346 Nondisplaced spiral fracture of shaft of radius, unspecified arm
      6. S52.35 Comminuted fracture of shaft of radius

        • S52.351 Displaced comminuted fracture of shaft of radius, right arm
        • S52.352 Displaced comminuted fracture of shaft of radius, left arm
        • S52.353 Displaced comminuted fracture of shaft of radius, unspecified arm
        • S52.354 Nondisplaced comminuted fracture of shaft of radius, right arm
        • S52.355 Nondisplaced comminuted fracture of shaft of radius, left arm
        • S52.356 Nondisplaced comminuted fracture of shaft of radius, unspecified arm
      7. S52.36 Segmental fracture of shaft of radius

        • S52.361 Displaced segmental fracture of shaft of radius, right arm
        • S52.362 Displaced segmental fracture of shaft of radius, left arm
        • S52.363 Displaced segmental fracture of shaft of radius, unspecified arm
        • S52.364 Nondisplaced segmental fracture of shaft of radius, right arm
        • S52.365 Nondisplaced segmental fracture of shaft of radius, left arm
        • S52.366 Nondisplaced segmental fracture of shaft of radius, unspecified arm
      8. S52.37 Galeazzi's fracture

        Inclusion term(s):

        • Fracture of lower shaft of radius with radioulnar joint dislocation
        • S52.371 Galeazzi's fracture of right radius
        • S52.372 Galeazzi's fracture of left radius
        • S52.379 Galeazzi's fracture of unspecified radius
      9. S52.38 Bent bone of radius

        • S52.381 Bent bone of right radius
        • S52.382 Bent bone of left radius
        • S52.389 Bent bone of unspecified radius
      10. S52.39 Other fracture of shaft of radius

        • S52.391 Other fracture of shaft of radius, right arm
        • S52.392 Other fracture of shaft of radius, left arm
        • S52.399 Other fracture of shaft of radius, unspecified arm
    5. S52.5 Fracture of lower end of radius

      Inclusion term(s):

      • Fracture of distal end of radius
      1. S52.50 Unspecified fracture of the lower end of radius

        • S52.501 Unspecified fracture of the lower end of right radius
        • S52.502 Unspecified fracture of the lower end of left radius
        • S52.509 Unspecified fracture of the lower end of unspecified radius
      2. S52.51 Fracture of radial styloid process

        • S52.511 Displaced fracture of right radial styloid process
        • S52.512 Displaced fracture of left radial styloid process
        • S52.513 Displaced fracture of unspecified radial styloid process
        • S52.514 Nondisplaced fracture of right radial styloid process
        • S52.515 Nondisplaced fracture of left radial styloid process
        • S52.516 Nondisplaced fracture of unspecified radial styloid process
      3. S52.52 Torus fracture of lower end of radius

        • S52.521 Torus fracture of lower end of right radius
        • S52.522 Torus fracture of lower end of left radius
        • S52.529 Torus fracture of lower end of unspecified radius
      4. S52.53 Colles' fracture

        • S52.531 Colles' fracture of right radius
        • S52.532 Colles' fracture of left radius
        • S52.539 Colles' fracture of unspecified radius
      5. S52.54 Smith's fracture

        • S52.541 Smith's fracture of right radius
        • S52.542 Smith's fracture of left radius
        • S52.549 Smith's fracture of unspecified radius
      6. S52.55 Other extraarticular fracture of lower end of radius

        • S52.551 Other extraarticular fracture of lower end of right radius
        • S52.552 Other extraarticular fracture of lower end of left radius
        • S52.559 Other extraarticular fracture of lower end of unspecified radius
      7. S52.56 Barton's fracture

        • S52.561 Barton's fracture of right radius
        • S52.562 Barton's fracture of left radius
        • S52.569 Barton's fracture of unspecified radius
      8. S52.57 Other intraarticular fracture of lower end of radius

        • S52.571 Other intraarticular fracture of lower end of right radius
        • S52.572 Other intraarticular fracture of lower end of left radius
        • S52.579 Other intraarticular fracture of lower end of unspecified radius
      9. S52.59 Other fractures of lower end of radius

        • S52.591 Other fractures of lower end of right radius
        • S52.592 Other fractures of lower end of left radius
        • S52.599 Other fractures of lower end of unspecified radius
    6. S52.6 Fracture of lower end of ulna

      1. S52.60 Unspecified fracture of lower end of ulna

        • S52.601 Unspecified fracture of lower end of right ulna
        • S52.602 Unspecified fracture of lower end of left ulna
        • S52.609 Unspecified fracture of lower end of unspecified ulna
      2. S52.61 Fracture of ulna styloid process

        • S52.611 Displaced fracture of right ulna styloid process
        • S52.612 Displaced fracture of left ulna styloid process
        • S52.613 Displaced fracture of unspecified ulna styloid process
        • S52.614 Nondisplaced fracture of right ulna styloid process
        • S52.615 Nondisplaced fracture of left ulna styloid process
        • S52.616 Nondisplaced fracture of unspecified ulna styloid process
      3. S52.62 Torus fracture of lower end of ulna

        • S52.621 Torus fracture of lower end of right ulna
        • S52.622 Torus fracture of lower end of left ulna
        • S52.629 Torus fracture of lower end of unspecified ulna
      4. S52.69 Other fracture of lower end of ulna

        • S52.691 Other fracture of lower end of right ulna
        • S52.692 Other fracture of lower end of left ulna
        • S52.699 Other fracture of lower end of unspecified ulna
    7. S52.9 Unspecified fracture of forearm

      1. S52.90 Unspecified fracture of unspecified forearm

      2. S52.91 Unspecified fracture of right forearm

      3. S52.92 Unspecified fracture of left forearm

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.