2027 ICD-10-CM Diagnosis Code S74.02XSInjury of sciatic nerve at hip and thigh level, left leg, sequela

ICD-10-CM Codes›S00–T88›S70-S79›S74

ICD-10-CM S74.02XS
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S74.02XS is a billable ICD-10-CM diagnosis code for injury of sciatic nerve at hip and thigh level, left leg, sequela. The 7th character S marks it as a sequela code, which reports a problem that remains after the original condition has resolved. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 91 through 93. The code is exempt from POA reporting. Coders also document this condition as disorder of left sciatic nerve. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Injury, sequela.

Code Identity

ICD-10-CM Code
S74.02XS
Billable Status
Yes — Valid for Submission
Code Describes
Injury of sciatic nerve at hip and thigh level, left leg, sequela
Short Description
Injury of sciatic nrv at hip and thi lev, left leg, sequela
Parent Code
S74.02
Injury of sciatic nerve at hip and thigh level, left leg

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS70-S79Injuries to the hip and thigh
CategoryS74Injury of nerves at hip and thigh level
This CodeS74.02XSInjury of sciatic nerve at hip and thigh level, left leg, sequela

Present on Admission (POA)Billing

S74.02XS is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Injuries to the hip and thigh (S70-S79).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Disorder of left sciatic nerve
  • Injury of sciatic nerve
  • Left sciatic nerve injury

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Injury of nerves at hip and thigh level (S74). 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 S74.02XS: its own notes plus those printed at S74, block S70-S79, 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 S74 Injury of nerves at hip and thigh level applies to 45 codes
  • injury of nerves at ankle and foot level (S94.-)
  • injury of nerves at lower leg level (S84.-)
From Block S70-S79 Injuries to the hip and thigh applies to 3,546 codes
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.-)

Code Also

A second code may be needed to fully describe the condition; the note gives no sequencing direction.

From S74 Injury of nerves at hip and thigh level applies to 45 codes
  • any associated open wound (S71.-)

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 S74 Injury of nerves at hip and thigh level applies to 45 codes
  • The appropriate 7th character is to be added to each code from category S74
Values for category S74 Encounter: Initial, Subsequent, Sequela
  • Ainitial encounter
  • Dsubsequent encounter
  • Ssequela this code

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

Clinical ClassificationClinical

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

CCSR INJ073
Injury, sequela
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Hip Injuries and Disorders

Your hip is the joint where your femur (thigh bone) meets your pelvis (hip bone). There are two main parts: a ball at the end of the femur, which fits in a socket in the pelvis. Your hip is known as a ball-and-socket joint. This is because you have a ball at the end of your femur, and it fits into a socket in your pelvis.

Read the full article at MedlinePlus

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

Convert S74.02XS to ICD-9-CMHistory

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

ICD-9-CM
907.5 Lt eff nerv inj pelv/leg
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 S74.02XSOverview

What is the ICD-10 code for injury of sciatic nerve at hip and thigh level, left leg, sequela?

The ICD-10-CM code for injury of sciatic nerve at hip and thigh level, left leg, sequela is S74.02XS (sometimes written as S7402XS). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is S74.02XS (Injury of sciatic nerve at hip and thigh level, left leg) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report injury of sciatic nerve at hip and thigh level, left leg, sequela on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character S in S74.02XS mean?

The final character S makes this a sequela code: it reports a lingering problem that remains after the injury of sciatic nerve at hip and thigh level, left leg itself has resolved, not the original event.

What MS-DRG does S74.02XS group to?

When injury of sciatic nerve at hip and thigh level, left leg, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 91, 92, 93, with relative weights from 0.7783 to 1.7050 depending on complications. Higher weights mean higher Medicare reimbursement.

Is S74.02XS exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for injury of sciatic nerve at hip and thigh level, left leg, sequela on inpatient claims. The code appears in the Injuries to the hip and thigh (S70-S79) range of the CMS exempt list.