T21.37 ICD-10-CM Code: Burn of third degree of female genital region
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T21.37 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- burns and corrosion of hip region
- burns and corrosions of first degree [erythema]
- burns and corrosions of second degree [blisters][epidermal loss]
- burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]
Inclusion Terms
Alternative terms the tabular list files under this code.
- Burn of third degree of labium (majus) (minus)
- Burn of third degree of perineum
- Burn of third degree of vulva
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- burn of vagina (T28.3) Compare T21.37 vs T28.3 →
- burns and corrosion of axilla (T22.- with fifth character 4) Compare T21.37 vs T22 →
- burns and corrosion of scapular region (T22.- with fifth character 6) Compare T21.37 vs T22 →
- burns and corrosion of shoulder (T22.- with fifth character 5) Compare T21.37 vs T22 →
Frequently Compared Codes
The official Excludes notes on T21.37 name these codes. Each comparison page covers when the two can — or must not — be reported together.
Change history
No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.
Verify Before Coding
- Not billable as written — a more specific code is required: T21.37XA, T21.37XD, T21.37XS.
- Requires a 7th character. "The appropriate 7th character is to be added to each code from category T21" Options: T21.37XA, T21.37XD, T21.37XS
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.
Contextual Map
Every relationship of T21.37 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Hierarchy
- S00-T88 — Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) (S00-T88) [Hierarchy]
Excludes2
- T28.3 — Burn of internal genitourinary organs [Excludes2]: “burn of vagina (T28.3)” · check together
Referenced by Excludes2 notes
- T22 — Burn and corrosion of shoulder and upper limb, except wrist and hand [Excludes2](via T21.-): “burn and corrosion of interscapular region (T21.-)” · check together
- T24 — Burn and corrosion of lower limb, except ankle and foot [Excludes2](via T21.-): “burn and corrosion of hip region (T21.-)” · check together
Index entries
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), genital organs, external, female, third degree[Index term]
Nearest codes (40)
- T21 — Burn and corrosion of trunk [Sibling]
- T21.32 — Burn of third degree of abdominal wall [Sibling]
- T21.32XA — Burn of third degree of abdominal wall, initial encounter [Sibling]
- T21.32XD — Burn of third degree of abdominal wall, subsequent encounter [Sibling]
- T21.32XS — Burn of third degree of abdominal wall, sequela [Sibling]
- T21.33 — Burn of third degree of upper back [Sibling]
- T21.33XA — Burn of third degree of upper back, initial encounter [Sibling]
- T21.33XD — Burn of third degree of upper back, subsequent encounter [Sibling]
- and 32 more
Referenced by Other Codes
Official ICD-10-CM tabular notes on other codes that name T21.37 or its code family.
Frequently Asked Questions (FAQ) & Clinical Guidance
Can T21.37 be billed directly?
No. T21.37 (Burn of third degree of female genital region) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does T21.37 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T21.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to T21.37 in its code family, with their registry titles.
- T21.35XS — Burn of third degree of buttock, sequela
- T21.36 — Burn of third degree of male genital region
- T21.36XA — Burn of third degree of male genital region, initial encounter
- T21.36XD — Burn of third degree of male genital region, subsequent encounter
- T21.36XS — Burn of third degree of male genital region, sequela
- T21.37XA — Burn of third degree of female genital region, initial encounter
- T21.37XD — Burn of third degree of female genital region, subsequent encounter
- T21.37XS — Burn of third degree of female genital region, sequela
- T21.39 — Burn of third degree of other site of trunk
- T21.39XA — Burn of third degree of other site of trunk, initial encounter
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Burn (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal), genital organs, external, female, third degree