Alphabetic Index FY2027

S30.84AD

External constriction of flank, subsequent encounter

FY2027Chapter 19: Injury, poisoning and certain other consequences of external causes/S30–S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals

BillableComplete code, valid to report

S30.84AD (also written S3084AD) is a billable ICD-10-CM diagnosis code for external constriction of flank, subsequent encounter. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 216 codes in category S30 (Superficial injury of abdomen, lower back, pelvis and external genitals). The Alphabetic Index lists it under 1 entry. Its 7th character, D, means subsequent encounter. Its coding notes include a Use additional code instruction and 9 Excludes2 entries.

7th character

Category S30 requires a 7th character.

Assembled code S30.84AD Open code

Guidelines tips

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

The 7th character depends on whether the patient is in active treatment, not on who sees the patient. An aftercare Z code is not used for injury aftercare.

Guidelines I.C.19.aInjuries: application of 7th charactersRead the official text

Each injury gets its own code unless a combination code exists, with the most serious injury first. Superficial injuries at the same site as a more severe injury are not coded. Injuries during medical care are coded as complications.

Guidelines I.C.19.bCoding of injuriesRead the official text

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (1 note)
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
  • code to identify any retained foreign body, if applicable (Z18.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from S30 Superficial injury of abdomen, lower back, pelvis and external genitals
  • superficial injury of hip (S70.-)
Also from chapter/block level (8 notes)
Inherited from S30–S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
  • burns and corrosions (T20-T32)
  • effects of foreign body in anus and rectum (T18.5)
  • effects of foreign body in genitourinary tract (T19.-)
  • effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Includes

Further defines or gives examples of the content of the category.

Also from chapter/block level (6 notes)
Inherited from S30–S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
  • injuries to the abdominal wall
  • injuries to the anus
  • injuries to the buttock
  • injuries to the external genitalia
  • injuries to the flank
  • injuries to the groin

Notes

Also from chapter/block level (2 notes)
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
  • 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.

Alphabetic Index terms

Terms the official Alphabetic Index lists for S30.84A. This code adds the 7th character. 1 entry