Skip to main content

S68.012A vs S68.012S

S68.012A (Complete traumatic metacarpophalangeal amputation of left thumb, initial encounter) compared with S68.012S (Complete traumatic metacarpophalangeal amputation of left thumb, sequela), from the official CMS tabular data.

Summary

These codes describe the same injury at different phases of treatment, so the 7th character that matches the encounter decides which one applies.

MedCoder-derived
What is different?

Title wording.The titles share “Complete traumatic metacarpophalangeal amputation of left thumb”; S68.012A says “initial encounter” where S68.012S says “sequela”.

Registry fact

Can these codes be reported together?

One per encounter.S68.012A and S68.012S code the same injury at a different phase of treatment, set by the 7th character. The 7th character records the type of care given at the encounter being coded (ICD-10-CM Official Guidelines, Section I.C.19.a), so one encounter takes one of these, not both.

MedCoder-derivedGuide: 7th characters: initial, subsequent, sequela

Is there an Excludes1 relationship?

None.Neither entry carries an Excludes1 note that names the other code.

Official rule

Is there an Excludes2 relationship?

None.Neither entry carries an Excludes2 note that names the other code. S68.012A carries 3 Excludes2 notes and S68.012S carries 3 Excludes2 notes covering other codes; the side-by-side table quotes them.

Official rule

Is one more specific?

No.Neither is a subdivision of the other, and neither title is the unspecified form; they describe different conditions within category S68.

Registry fact

Is one a parent or header code?

No.Both are billable codes, and neither contains the other.

Registry fact

Are there sequencing instructions?

None.Neither entry carries a Code First or Use Additional Code note that names the other.

Official rule

Are there other coding relationships?

Yes.Same injury, other encounter phase. S68.012A and S68.012S code the same injury at a different phase of treatment, set by the 7th character.

MedCoder-derivedGuide: 7th characters: initial, subsequent, sequela

Official rule: a tabular instructional note or a section of the ICD-10-CM Official Guidelines, quoted as published. Registry fact: the codes’ own published attributes (titles, billable status, position in the hierarchy, code set). MedCoder-derived: a reading MedCoder computes from those facts; it is not itself a rule.

Can these codes be reported together?

Review

Encounter relationship

S68.012A
Initial encounter
Complete traumatic metacarpophalangeal amputation of left thumb, initial encounter
↔
S68.012S
Sequela
Complete traumatic metacarpophalangeal amputation of left thumb, sequela

What we found

Same injury, other encounter phase.S68.012A and S68.012S code the same injury at a different phase of treatment, set by the 7th character.

The 7th character records the type of care given at the encounter being coded (ICD-10-CM Official Guidelines, Section I.C.19.a), so one encounter takes one of these, not both.

What to review

Use the 7th character that matches the encounter being coded (initial, subsequent or sequela); one encounter takes one of them.

Guide: 7th characters: initial, subsequent, sequelaCheck these on a claim

Why it matters

The 7th character records the phase of care for the encounter being coded, so a single encounter takes one of these characters, not several. Review whether both phases belong on the same episode of care.

Source / rule

ICD-10-CM Official Guidelines, Section I.C.19.a

Side by side

S68.012AComplete traumatic metacarpophalangeal amputation of left thumb, initial encounterS68.012SComplete traumatic metacarpophalangeal amputation of left thumb, sequela
Billing statusBillableBillable
ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionComplete traumatic metacarpophalangeal amputation of left thumb, initial encounter is a billable ICD-10-CM diagnosis code (S68.012A).Complete traumatic metacarpophalangeal amputation of left thumb, sequela is a billable ICD-10-CM diagnosis code (S68.012S).
7th characterThe appropriate 7th character is to be added to each code from category S68The appropriate 7th character is to be added to each code from category S68
Excludes2
burns and corrosions (T20-T32)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)
burns and corrosions (T20-T32)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)

Notes are the code’s own tabular entry, quoted as published. A note that names the other code is the one the verdict above rests on.

Edit this comparisonCheck a whole claim

Derived from the official CMS ICD-10-CM tabular data (FY2026). A coding-rule comparison, not billing advice: payer-specific edits and medical-necessity policy are outside its scope. All data sources