2027 ICD-10-CM Diagnosis Code S50.361DInsect bite (nonvenomous) of right elbow, subsequent encounter

ICD-10-CM Codes›S00–T88›S50-S59›S50

ICD-10-CM S50.361D
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S50.361D is a billable ICD-10-CM diagnosis code for insect bite (nonvenomous) of right elbow, 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. Coders also document this condition as bite wound of right elbow. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Superficial injury; contusion, subsequent encounter.

Code Identity

ICD-10-CM Code
S50.361D
Billable Status
Yes — Valid for Submission
Code Describes
Insect bite (nonvenomous) of right elbow, subsequent encounter
Short Description
Insect bite (nonvenomous) of right elbow, subs encntr
Parent Code
Insect bite (nonvenomous) of right elbow

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS50-S59Injuries to the elbow and forearm
CategoryS50Superficial injury of elbow and forearm
This CodeS50.361DInsect bite (nonvenomous) of right elbow, subsequent encounter

Present on Admission (POA)Billing

S50.361D is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Injuries to the elbow and forearm (S50-S59).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Bite wound of right elbow
  • Infected wound of right elbow due to non venomous insect bite
  • Insect bite, nonvenomous, of elbow
  • Nonvenomous insect bite of elbow with infection
  • Superficial injury of right elbow
  • Wound of right elbow region due to nonvenomous insect bite

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Superficial injury of elbow and forearm (S50). 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 S50.361D: its own notes plus those printed at S50, block S50-S59, 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 S50 Superficial injury of elbow and forearm applies to 144 codes
  • superficial injury of wrist and hand (S60.-)
From Block S50-S59 Injuries to the elbow and forearm applies to 4,362 codes
  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of wrist and hand (S60-S69)
  • insect bite or sting, venomous (T63.4)
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 S50 Superficial injury of elbow and forearm applies to 144 codes
  • The appropriate 7th character is to be added to each code from category S50
  • 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 S50.361D, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming S50.361D: they are not reported together with it, unless the two conditions are unrelated.

  • S51.05 Open bite of elbow
    superficial bite of elbow (S50.36, S50.37) names S50.36, 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

Insect Bites and Stings

Most insect bites are harmless, though they sometimes cause discomfort. Bee, wasp, and hornet stings and fire ant bites usually hurt. Mosquito and flea bites usually itch. Insects can also spread diseases. In the United States, some mosquitoes spread West Nile virus.

Read the full article at MedlinePlus

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

Convert S50.361D 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 S50.361DOverview

What is the ICD-10 code for insect bite (nonvenomous) of right elbow, subsequent encounter?

The ICD-10-CM code for insect bite (nonvenomous) of right elbow, subsequent encounter is S50.361D (sometimes written as S50361D). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is S50.361D (Insect bite (nonvenomous) of right elbow) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report insect bite (nonvenomous) of right elbow, subsequent encounter on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character D in S50.361D mean?

The final character D marks a subsequent encounter: use it for routine care while the insect bite (nonvenomous) of right elbow is healing, after active treatment has ended.

What MS-DRG does S50.361D group to?

When insect bite (nonvenomous) of right elbow, 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 S50.361D 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 insect bite (nonvenomous) of right elbow, subsequent encounter on inpatient claims. The code appears in the Injuries to the elbow and forearm (S50-S59) range of the CMS exempt list.