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FY2027 ICD-10-CM reference

R57: Shock, not elsewhere classified

By the HCC Buddy Coding Team

The official ICD-10-CM descriptor is Shock, not elsewhere classified. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.

Nonbillable heading. Verified against the official FY2027 order file.

CMS-HCC V28

Not applicable to this nonbillable heading

CMS-HCC V24

Not applicable to this nonbillable heading

ESRD

Not applicable to this nonbillable heading

PACE

Not applicable to this nonbillable heading

RxHCC

Not applicable to this nonbillable heading

HHS-HCC

Not applicable to this nonbillable heading

More specific FY2027 codes

FY2027 Tabular instructions

Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.

Instructional note

This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is recorded.

Source: R00-R99 (chapter, inherited).

Instructional note

Signs and symptoms that point rather definitely to a given diagnosis have been assigned to a category in other chapters of the classification. In general, categories in this chapter include the less well-defined conditions and symptoms that, without the necessary study of the case to establish a final diagnosis, point perhaps equally to two or more diseases or to two or more systems of the body. Practically all categories in the chapter could be designated 'not otherwise specified', 'unknown etiology' or 'transient'. The Alphabetical Index should be consulted to determine which symptoms and signs are to be allocated here and which to other chapters. The residual subcategories, numbered .8, are generally provided for other relevant symptoms that cannot be allocated elsewhere in the classification.

Source: R00-R99 (chapter, inherited).

Instructional note

The conditions and signs or symptoms included in categories R00-R94 consist of:

Source: R00-R99 (chapter, inherited).

Instructional note

(a) cases for which no more specific diagnosis can be made even after all the facts bearing on the case have been investigated;

Source: R00-R99 (chapter, inherited).

Instructional note

(b) signs or symptoms existing at the time of initial encounter that proved to be transient and whose causes could not be determined;

Source: R00-R99 (chapter, inherited).

Instructional note

(c) provisional diagnosis in a patient who failed to return for further investigation or care;

Source: R00-R99 (chapter, inherited).

Instructional note

(d) cases referred elsewhere for investigation or treatment before the diagnosis was made;

Source: R00-R99 (chapter, inherited).

Instructional note

(e) cases in which a more precise diagnosis was not available for any other reason;

Source: R00-R99 (chapter, inherited).

Instructional note

(f) certain symptoms, for which supplementary information is provided, that represent important problems in medical care in their own right.

Source: R00-R99 (chapter, inherited).

Excludes2

abnormal findings on antenatal screening of mother (O28.-)

Source: R00-R99 (chapter, inherited).

Excludes2

certain conditions originating in the perinatal period (P04-P96)

Source: R00-R99 (chapter, inherited).

Excludes2

signs and symptoms classified in the body system chapters

Source: R00-R99 (chapter, inherited).

Excludes2

signs and symptoms of breast (N63, N64.5)

Source: R00-R99 (chapter, inherited).

Excludes1

anaphylactic shock NOS (T78.2)

Source: R57 (category, direct).

Excludes1

anaphylactic reaction or shock due to adverse food reaction (T78.0-)

Source: R57 (category, direct).

Excludes1

anaphylactic shock due to adverse effect of correct drug or medicament properly administered (T88.6)

Source: R57 (category, direct).

Excludes1

anaphylactic shock due to serum (T80.5-)

Source: R57 (category, direct).

Excludes1

electric shock (T75.4)

Source: R57 (category, direct).

Excludes1

obstetric shock (O75.1)

Source: R57 (category, direct).

Excludes1

postprocedural shock (T81.1-)

Source: R57 (category, direct).

Excludes1

psychic shock (F43.0)

Source: R57 (category, direct).

Excludes1

shock complicating or following ectopic or molar pregnancy (O00-O07, O08.3)

Source: R57 (category, direct).

Excludes1

shock due to anesthesia (T88.2)

Source: R57 (category, direct).

Excludes1

shock due to lightning (T75.01)

Source: R57 (category, direct).

Excludes1

traumatic shock (T79.4)

Source: R57 (category, direct).

Excludes1

toxic shock syndrome (A48.3)

Source: R57 (category, direct).

Source: CMS FY2027 Tabular List and Alphabetic Index.

Open Tabular instructions and code details

Compare the FY2027 additions, removals and billable-status changes

What does R57 mean in FY2027?

The official ICD-10-CM descriptor is Shock, not elsewhere classified. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.

Is R57 billable in FY2027?

The FY2027 order file marks R57 as a nonbillable heading. Select a complete billable child code.

Does R57 map to an HCC?

Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.

Source: CMS FY2027 ICD-10-CM order file. Read the FY2027 Official Guidelines.

Review the FY2026 April edition