Is S12.131 a billable ICD-10-CM code?

No. S12.131 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does S12.131 sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the neck (S10-S19).

S12.131

S12.131 — Unspecified traumatic nondisplaced spondylolisthesis of second cervical vertebra

Non-billable headerICD-10-CM

S12.131 is a non-billable header ICD-10-CM code for unspecified traumatic nondisplaced spondylolisthesis of second cervical vertebra. 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 all codes from subcategories S12.0-S12.6

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
S: sequela

Risk adjustment

S12.131 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How S12.131 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to S12.131.

Spondylolisthesis›traumatic›acute›second cervical›nondisplaced

Code to one of these instead S12.131

6 child codes. Green means billable.

Related codes at this level

Codes that share S12.13. If S12.131 is not quite right, the correct code is usually one of these.

S12.130Unspecified traumatic displaced spondylolisthesis of second cervical vertebra

Questions about S12.131

Is S12.131 a billable ICD-10-CM code?: No. S12.131 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does S12.131 sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the neck (S10-S19).