S06.0X vs S06.0X0A
S06.0X (Concussion) compared with S06.0X0A (Concussion without loss of consciousness, initial encounter), from the official CMS tabular data.
Summary
These codes represent different levels of the same hierarchy: S06.0X is the non-billable header that contains S06.0X0A, so only S06.0X0A (or a sibling) is reported.
Registry fact- What is different?
The conditions named and billing status.S06.0X is “Concussion”; S06.0X0A is “Concussion without loss of consciousness, initial encounter”. S06.0X is a non-billable header; S06.0X0A is billable.
Registry fact
- Can these codes be reported together?
Not as a pair.S06.0X is the non-billable header that contains S06.0X0A. A header is not reported on a claim, so the choice is S06.0X0A or a sibling that matches the documentation.
Registry fact
- Is there an Excludes1 relationship?
None.Neither entry carries an Excludes1 note that names the other code. S06.0X carries 2 Excludes1 notes and S06.0X0A carries 2 Excludes1 notes covering other codes; the side-by-side table quotes them.
Official rule
- Is there an Excludes2 relationship?
None.Neither entry carries an Excludes2 note that names the other code. S06.0X carries 9 Excludes2 notes and S06.0X0A carries 9 Excludes2 notes covering other codes; the side-by-side table quotes them.
Official rule
- Is one more specific?
Yes.S06.0X0A is a subdivision of S06.0X in the tabular hierarchy, so it is the more specific of the two.
Registry fact
- Is one a parent or header code?
Yes.S06.0X is the non-billable header that contains S06.0X0A. A header stands for the whole family beneath it and is not reported on a claim.
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?
None found.No laterality, encounter-phase, Table of Neoplasms, Table of Drugs and Chemicals, or history-versus-active-disease relationship links these codes.
MedCoder-derived
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. How to read the labels
Can these codes be reported together?
Not as a pair — S06.0X is not reportable. S06.0X is the non-billable category that contains S06.0X0A.
A header stands for the whole family of codes beneath it and is not reported on a claim, so the choice is S06.0X0A or a sibling that matches the documentation. No Excludes1/Excludes2 relationship exists between these codes in the official tabular list.
Official guidance behind these answers
Section I.B.2 — Level of Detail in Coding · applies to: S06.0X and S06.0X0A
Diagnosis codes are to be used and reported at their highest number of characters available and to the highest level of specificity documented in the medical record. ICD-10-CM diagnosis codes are composed of codes with 3, 4, 5, 6 or 7 characters. Codes with three characters are included in ICD-10-CM as the heading of a category of codes that may be further subdivided by the use of fourth and/or fifth characters and/or sixth characters, which provide greater detail. A three-character code is to be used only if it is not further subdivided. A code is invalid if it has not been coded to the full number of characters required for that code, including the 7th character, if applicable.
ICD-10-CM Official Guidelines FY2026
Quoted from the ICD-10-CM Official Guidelines for Coding and Reporting in effect for the release shown. The tabular notes above are the code-level instruction; these sections are the convention that says how such a note is applied. Source document (CMS PDF) · Release and checksum
Side by side
| S06.0XConcussion | S06.0X0AConcussion without loss of consciousness, initial encounter | |
|---|---|---|
| Billing status | Non-billable header Report instead: S06.0X0A, S06.0X0D, S06.0X0S, S06.0X1A, S06.0X1D | Billable |
| Classification | S00-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) |
| Definition | Concussion is a non-billable ICD-10-CM category code (S06.0X). | Concussion without loss of consciousness, initial encounter is a billable ICD-10-CM diagnosis code (S06.0X0A). |
| 7th character | The appropriate 7th character is to be added to each code from category S06, except as noted below | The appropriate 7th character is to be added to each code from category S06, except as noted below |
| Includes | traumatic brain injury injuries of ear injuries of eye injuries of face [any part] | traumatic brain injury injuries of ear injuries of eye injuries of face [any part] |
| Excludes1 | concussion with other intracranial injuries classified in subcategories S06.1- to S06.6-, and S06.81- to S06.89-, code to specified intracranial injury head injury NOS (S09.90) | concussion with other intracranial injuries classified in subcategories S06.1- to S06.6-, and S06.81- to S06.89-, code to specified intracranial injury head injury NOS (S09.90) |
| Excludes2 | burns and corrosions (T20-T32) effects of foreign body in ear (T16) effects of foreign body in larynx (T17.3) effects of foreign body in mouth NOS (T18.0) effects of foreign body in nose (T17.0-T17.1) effects of foreign body in pharynx (T17.2) effects of foreign body on external eye (T15.-) frostbite (T33-T34) insect bite or sting, venomous (T63.4) | burns and corrosions (T20-T32) effects of foreign body in ear (T16) effects of foreign body in larynx (T17.3) effects of foreign body in mouth NOS (T18.0) effects of foreign body in nose (T17.0-T17.1) effects of foreign body in pharynx (T17.2) effects of foreign body on external eye (T15.-) frostbite (T33-T34) insect bite or sting, venomous (T63.4) |
| Use additional code | code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-) | code, if applicable, to identify mild neurocognitive disorders due to known physiological condition (F06.7-) |
| Code also | any associated: open wound of head (S01.-) skull fracture (S02.-) for any associated infection | any associated: open wound of head (S01.-) skull fracture (S02.-) for any associated infection |
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.
Derived from the official CMS ICD-10-CM tabular data (FY2027). A coding-rule comparison, not billing advice: payer-specific edits and medical-necessity policy are outside its scope. All data sources