ICDcodes.org
FY2027

S51.809Unspecified open wound of unspecified forearm

Not billable

Is S51.809 billable?

No — S51.809 is a non-billable header code. S51.809 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath S51.809.

S51.809 at a glance

CodeS51.809
DescriptionUnspecified open wound of unspecified forearm
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is S51.809 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S51.80, the nearest indexed parent of S51.809. Use them to find the family, then select the specific code.

  • Wound, openforearm

Inclusion terms

Alternative wording in documentation that is classified to S51.809.

  • Open wound of forearm NOS

Excludes1 — never code together — inherited from S51

The conditions below can never be reported together with S51.809 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • open fracture of elbow and forearm (S52.- with open fracture 7th character)
  • traumatic amputation of elbow and forearm (S58.-)

Use additional code — inherited from Chapter 19

Report an additional code alongside S51.809 to fully describe the condition. S51.809 is sequenced first.

  • code to identify any retained foreign body, if applicable (Z18.-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of S51.809, but a patient may have both at the same time. When documentation supports it, S51.809 and the excluded code may both be reported.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from S50-S59

The conditions below are not part of S51.809, but a patient may have both at the same time. When documentation supports it, S51.809 and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S51

The conditions below are not part of S51.809, but a patient may have both at the same time. When documentation supports it, S51.809 and the excluded code may both be reported.

  • open wound of wrist and hand (S61.-)

Excludes2 — not included here — inherited from S51.8

The conditions below are not part of S51.809, but a patient may have both at the same time. When documentation supports it, S51.809 and the excluded code may both be reported.

Code also — inherited from S51

Two codes may be needed to describe the condition fully. Whether S51.809 is sequenced first depends on the reason for the encounter.

  • any associated wound infection

What codes fall under S51.809? (3)

How long has S51.809 existed?

S51.809 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the S51.80 family? (2)