S21.211A: Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter

S21.211A, laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter, is listed as a covered diagnosis in 4 Medicare billing and coding articles that apply to 31 HCPCS Level II codes, including J1670 (Injection, tetanus immune globulin, human, up to 250 units), J1575 (Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg…), J1569 (Injection, immune globulin, (gammagard liquid/gammagard…). The articles come from 3 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.

HCPCS Level II codes with S21.211A as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
J1670Injection, tetanus immune globulin, human, up to 250 unitsSpecial coverage instructions apply—2
J1575Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulinCarrier judgment—1
J1569Injection, immune globulin, (gammagard liquid/gammagard liquid erc), 500 mgSpecial coverage instructions apply—1
J1561Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mgSpecial coverage instructions apply—1
J1459Injection, immune globulin (privigen), intravenous, non-lyophilized (e.g., liquid), 500 mgCarrier judgment—1
J1557Injection, immune globulin, (gammaplex), intravenous, non-lyophilized (e.g., liquid), 500 mgCarrier judgment—1
J1556Injection, immune globulin (bivigam), 500 mgCarrier judgment—1
J1568Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mgCarrier judgment—1
J1566Injection, immune globulin, intravenous, lyophilized (e.g., powder), not otherwise specified, 500 mgSpecial coverage instructions apply—1
J1554Injection, immune globulin (asceniv), 500 mgCarrier judgment—1
J1599Injection, immune globulin, intravenous, non-lyophilized (e.g., liquid), not otherwise specified, 500 mgCarrier judgment—1
J1572Injection, immune globulin, (flebogamma/flebogamma dif), intravenous, non-lyophilized (e.g., liquid), 500 mgSpecial coverage instructions apply—1
J1460Injection, gamma globulin, intramuscular, 1 ccSpecial coverage instructions apply—1
J0840Injection, crotalidae polyvalent immune fab (ovine), up to 1 gramCarrier judgment—1
J0850Injection, cytomegalovirus immune globulin intravenous (human), per vialSpecial coverage instructions apply—1
J1552Injection, immune globulin (alyglo), 500 mgCarrier judgment—1
J1560Injection, gamma globulin, intramuscular, over 10 ccSpecial coverage instructions apply—1
J1571Injection, hepatitis b immune globulin (hepagam b), intramuscular, 0.5 mlSpecial coverage instructions apply—1
J1573Injection, hepatitis b immune globulin (hepagam b), intravenous, 0.5 mlCarrier judgment—1
J1577Injection, immune globulin (qivigy), 100 mgCarrier judgment—1
G0281Electrical stimulation, (unattended), to one or more areas, for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers, and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care, as part of a therapy plan of careCarrier judgment—1
G0329Electromagnetic therapy, to one or more areas for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care as part of a therapy plan of careCarrier judgment—1
G0008Administration of influenza virus vaccineCarrier judgment—1
G0009Administration of pneumococcal vaccineCarrier judgment—1
G0010Administration of hepatitis b vaccineCarrier judgment—1

6 more codes are listed. See every code with payment by region in Caduvo.

Medicare policy articles listing S21.211A

A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.

Other S21 diagnoses (Open wound of thorax)

Frequently asked questions

Does Medicare cover S21.211A (Laceration without foreign body of right back wall of…)?

Medicare covers items and services, not diagnoses. 4 Medicare billing and coding articles list S21.211A as a covered diagnosis for 31 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.

Which HCPCS codes can be billed with ICD-10 S21.211A?

The Level II codes from the policies most specific to this diagnosis are J1670 (Injection, tetanus immune globulin, human, up to 250 units, 2 articles); J1575 (Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg…, 1 article); J1569 (Injection, immune globulin, (gammagard liquid/gammagard…, 1 article); J1561 (Injection, immune globulin, (gamunex-c/gammaked)…, 1 article); J1459 (Injection, immune globulin (privigen), intravenous…, 1 article). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list S21.211A?

A57554 (Billing and Coding: Immune Globulins); A55909 (Billing and Coding: Wound Care); A52438 (Billing and Coding: Tetanus Immunization), and 1 more article.

What is ICD-10-CM code S21.211A?

S21.211A is the ICD-10-CM code for laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter, in category S21 (Open wound of thorax), chapter 19: Injury, poisoning and other consequences of external causes.

Next steps

Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.

Chapter 19: Injury, poisoning and other consequences of external causes · All diagnoses · HCPCS lookup