2027 ICD-10-CM Diagnosis Code S70.341DExternal constriction, right thigh, subsequent encounter

ICD-10-CM Codes›S00–T88›S70-S79›S70

ICD-10-CM S70.341D
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S70.341D is a billable ICD-10-CM diagnosis code for external constriction, right thigh, subsequent encounter. The 7th character D marks it as a subsequent encounter code, used during routine care in the healing or recovery phase. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 949 through 950. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Superficial injury; contusion, subsequent encounter.

Code Identity

ICD-10-CM Code
S70.341D
Billable Status
Yes — Valid for Submission
Code Describes
External constriction, right thigh, subsequent encounter
Short Description
External constriction, right thigh, subsequent encounter
Same as the full description in the CMS dataset.
Parent Code
S70.341
External constriction, right thigh

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS70-S79Injuries to the hip and thigh
CategoryS70Superficial injury of hip and thigh
This CodeS70.341DExternal constriction, right thigh, subsequent encounter

Present on Admission (POA)Billing

S70.341D 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).

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Superficial injury of hip and thigh (S70). 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 S70.341D: its own notes plus those printed at S70, 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 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.-)

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 S70 Superficial injury of hip and thigh applies to 144 codes
  • The appropriate 7th character is to be added to each code from category S70
Values for category S70 Encounter: Initial, Subsequent, Sequela
  • Ainitial encounter
  • Dsubsequent encounter this code
  • Ssequela

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

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name S70.341D, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming S70.341D: its condition is not part of those codes, and both may be reported when the patient has both.

  • S30 Superficial injury of abdomen, lower back, pelvis and external genitals
    superficial injury of hip (S70.-) names S70.-, which includes this code

Clinical ClassificationClinical

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

CCSR INJ054
Superficial injury; contusion, subsequent encounter
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Wounds and Injuries

An injury is damage to your body. It is a general term that refers to harm caused by accidents, falls, hits, weapons, and more. In the U.S., millions of people injure themselves every year. These injuries range from minor to life-threatening.

Read the full article at MedlinePlus

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

Convert S70.341D to ICD-9-CMHistory

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

ICD-9-CM
V58.89 Other specfied aftercare
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 S70.341DOverview

What is the ICD-10 code for external constriction, right thigh, subsequent encounter?

The ICD-10-CM code for external constriction, right thigh, subsequent encounter is S70.341D (sometimes written as S70341D). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is S70.341D (External constriction, right thigh) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report external constriction, right thigh, subsequent encounter on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character D in S70.341D mean?

The final character D marks a subsequent encounter: use it for routine care while the external constriction, right thigh is healing, after active treatment has ended.

What MS-DRG does S70.341D group to?

When external constriction, right thigh, subsequent encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 950, 949, with relative weights from 0.7661 to 1.1231 depending on complications. Higher weights mean higher Medicare reimbursement.

Is S70.341D 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 external constriction, right thigh, subsequent encounter on inpatient claims. The code appears in the Injuries to the hip and thigh (S70-S79) range of the CMS exempt list.