S62.509

S62.509: Fracture of unspecified phalanx of unspecified thumb

Non-billable headerICD-10-CM

S62.509 is a non-billable header ICD-10-CM code for fracture of unspecified phalanx of unspecified thumb. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category S62

A: initial encounter for closed fracture
B: initial encounter for open fracture
D: subsequent encounter for fracture with routine healing
G: subsequent encounter for fracture with delayed healing
K: subsequent encounter for fracture with nonunion
P: subsequent encounter for fracture with malunion
S: sequela

Excludes1 inherited from the categories above S62.509

A category’s note binds every code beneath it.

Written on S62: Fracture at wrist and hand level

traumatic amputation of wrist and hand (S68.-)

Excludes2 inherited from the categories above S62.509

Not part of this code, but both may be coded when both are present.

Written on S62: Fracture at wrist and hand level

fracture of distal parts of ulna and radius (S52.-)

Other codes that can never be billed with S62.509

Their own Excludes1 notes name this code, so the conflict is not listed above.

M84.3Stress fracture
M84.4Pathological fracture, not elsewhere classified
S61Open wound of wrist, hand and fingers

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead S62.509

7 child codes. Green means billable.