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S72.399J ICD-10-CM Code: Other fracture of shaft of unspecified femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

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FY 2026 Apr update / Injury, poisoning and certain other consequences of external causes (S00-T88) / Injuries to the hip and thigh (S70-S79)

S72.399J

Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidance

Other fracture of shaft of unspecified femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

Other fracture of shaft of unspecified femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

CMS-HCC V28

0

0

RAF 0

CMS-HCC V24

0

0

RAF 0

ACA/HHS

0

0

RAF 0

ESRD/PACE

0

0

RAF 0

RXHCC

0

0

RAF 0

Code Trumping

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Code Book Path

Official
S72.39Other fracture of shaft of femur
S72.399Other fracture of shaft of unspecified femur
S72.399JOther fracture of shaft of unspecified femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for S72.399J in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for S72.399J in this effective period.

Related Child Codes

Official
S72.399AOther fracture of shaft of unspecified femur, initial encounter for closed fracture
S72.399BOther fracture of shaft of unspecified femur, initial encounter for open fracture type I or II
S72.399COther fracture of shaft of unspecified femur, initial encounter for open fracture type IIIA, IIIB, or IIIC
S72.399DOther fracture of shaft of unspecified femur, subsequent encounter for closed fracture with routine healing
S72.399EOther fracture of shaft of unspecified femur, subsequent encounter for open fracture type I or II with routine healing

Includes

Official

ICD-10-CM does not list Includes notes for S72.399J in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for S72.399J in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for S72.399J in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for S72.399J in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for S72.399J in this effective period.

Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.

Is S72.399J an HCC code?

No. S72.399J is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

S72.399J is the ICD-10-CM diagnosis code for other fracture of shaft of unspecified femur, subsequent encounter for open fracture type iiia, iiib, or iiic with delayed healing. S72.399J sits in the ICD-10-CM chapter for injury, poisoning and certain other consequences of external causes (s00-t88), within the section covering injuries to the hip and thigh (s70-s79).

S72.399J is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.

S72.399J is a billable ICD-10-CM code that can be reported on claims but does not currently contribute to a Medicare Advantage member's RAF score under any CMS risk adjustment model (V28, V24, ESRD, or RxHCC). Coders reviewing S72.399J should check whether additional documentation would support a more specific child code in the same hierarchy that does map to a payment HCC, capturing the correct specificity is the highest-impact RAF improvement available within accurate coding.

HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for S72.399J sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Child Codes

S72.399AOther fracture of shaft of unspecified femur, initial encounter for closed fracture
HCC 402
S72.399BOther fracture of shaft of unspecified femur, initial encounter for open fracture type I or II
HCC 402
S72.399COther fracture of shaft of unspecified femur, initial encounter for open fracture type IIIA, IIIB, or IIIC
HCC 402
S72.399DOther fracture of shaft of unspecified femur, subsequent encounter for closed fracture with routine healing
S72.399EOther fracture of shaft of unspecified femur, subsequent encounter for open fracture type I or II with routine healing
S72.399FOther fracture of shaft of unspecified femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing
S72.399GOther fracture of shaft of unspecified femur, subsequent encounter for closed fracture with delayed healing
S72.399HOther fracture of shaft of unspecified femur, subsequent encounter for open fracture type I or II with delayed healing
S72.399JOther fracture of shaft of unspecified femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing
S72.399KOther fracture of shaft of unspecified femur, subsequent encounter for closed fracture with nonunion
S72.399MOther fracture of shaft of unspecified femur, subsequent encounter for open fracture type I or II with nonunion
S72.399NOther fracture of shaft of unspecified femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion
S72.399POther fracture of shaft of unspecified femur, subsequent encounter for closed fracture with malunion
S72.399QOther fracture of shaft of unspecified femur, subsequent encounter for open fracture type I or II with malunion
S72.399ROther fracture of shaft of unspecified femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion
S72.399SOther fracture of shaft of unspecified femur, sequela

Code Hierarchy

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