2027 ICD-10-CM Diagnosis Code S68.121APartial traumatic metacarpophalangeal amputation of left index finger, initial encounter

ICD-10-CM Codes›S00–T88›S60-S69›S68

ICD-10-CM S68.121A
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S68.121A is a billable ICD-10-CM diagnosis code for partial traumatic metacarpophalangeal amputation of left index finger, initial encounter. The 7th character A marks it as an initial encounter code, used while the patient is receiving active treatment. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 913 through 914, 963 through 965. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Amputation of a limb, initial encounter.

Code Identity

ICD-10-CM Code
S68.121A
Billable Status
Yes — Valid for Submission
Code Describes
Partial traumatic metacarpophalangeal amputation of left index finger, initial encounter
Short Description
Partial traumatic MCP amputation of left index finger, init
Parent Code
S68.121
Partial traumatic metacarpophalangeal amputation of left index finger

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS60-S69Injuries to the wrist, hand and fingers
CategoryS68Traumatic amputation of wrist, hand and fingers
This CodeS68.121APartial traumatic metacarpophalangeal amputation of left index finger, initial encounter

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Traumatic amputation of wrist, hand and fingers (S68). Use the following options for the applicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027, published by CMS and the National Center for Health Statistics.

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to S68.121A: its own notes plus those printed at S68.1, S68, block S60-S69, and Chapter 19. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From S68.1 Traumatic metacarpophalangeal amputation of other and unspecified finger applies to 60 codes
  • traumatic metacarpophalangeal amputation of thumb (S68.0-)
From Block S60-S69 Injuries to the wrist, hand and fingers applies to 5,118 codes
  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)
From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes
  • code to identify any retained foreign body, if applicable (Z18.-)

Notes

General instructions on how these codes are used.

From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

7th Character

Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.

From S68 Traumatic amputation of wrist, hand and fingers applies to 192 codes
  • The appropriate 7th character is to be added to each code from category S68
Values for category S68 Encounter: Initial, Subsequent, Sequela
  • Ainitial encounter this code
  • Dsubsequent encounter
  • Ssequela

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name S68.121A, its category, or a range that includes it.

Excludes1 4

These codes carry an Excludes1 note naming S68.121A: they are not reported together with it, unless the two conditions are unrelated.

  • S58 Traumatic amputation of elbow and forearm
    traumatic amputation of wrist and hand (S68.-) names S68.-, which includes this code
  • S58.9 Traumatic amputation of forearm, level unspecified
    traumatic amputation of wrist (S68.-) names S68.-, which includes this code
  • S61 Open wound of wrist, hand and fingers
    traumatic amputation of wrist and hand (S68.-) names S68.-, which includes this code
  • S62 Fracture at wrist and hand level
    traumatic amputation of wrist and hand (S68.-) names S68.-, which includes this code

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INJ014
Amputation of a limb, initial encounter
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Limb Loss

People can lose all or part of an arm or leg for many reasons. Common ones include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert S68.121A to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
886.0 Amputation finger
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About S68.121AOverview

Is S68.121A a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report partial traumatic metacarpophalangeal amputation of left index finger, initial encounter on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character A in S68.121A mean?

The final character A marks the initial encounter: use it while the patient is receiving active treatment for partial traumatic metacarpophalangeal amputation of left index finger, such as an emergency visit or first evaluation.

What MS-DRG does S68.121A group to?

When partial traumatic metacarpophalangeal amputation of left index finger, initial encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 964, 965, 914, 913, 963, with relative weights from 0.9281 to 2.6361 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of S68.121A?

Under the General Equivalence Mappings, partial traumatic metacarpophalangeal amputation of left index finger, initial encounter converts to ICD-9-CM 886.0 (amputation finger). The mapping is approximate, so confirm the match fits the documentation.