S01.512A: Laceration without foreign body of oral cavity, initial encounter

S01.512A, laceration without foreign body of oral cavity, initial encounter, is listed as a covered diagnosis in 3 Medicare billing and coding articles that apply to 29 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 S01.512A as a covered diagnosis

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

Medicare policy articles listing S01.512A

• A57554: Billing and Coding: Immune Globulins (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 20 Level II codes). LCD with the same title: L34771
• A52438: Billing and Coding: Tetanus Immunization (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 1 Level II codes)
• A54767: Billing and Coding: Medicare Preventive Coverage for Certain Vaccines (Palmetto GBA (MAC - Part A, MAC - Part B); 9 Level II codes)

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 S01 diagnoses (Open wound of head)

• S01.511A — Laceration without foreign body of lip, initial encounter
• S01.521A — Laceration with foreign body of lip, initial encounter
• S01.522A — Laceration with foreign body of oral cavity, initial encounter
• S01.531A — Puncture wound without foreign body of lip, initial encounter
• S01.532A — Puncture wound without foreign body of oral cavity, initial encounter
• S01.541A — Puncture wound with foreign body of lip, initial encounter
• S01.542A — Puncture wound with foreign body of oral cavity, initial encounter
• S01.551A — Open bite of lip, initial encounter
• S01.552A — Open bite of oral cavity, initial encounter
• S01.01XA — Laceration without foreign body of scalp, initial encounter
• S01.02XA — Laceration with foreign body of scalp, initial encounter
• S01.03XA — Puncture wound without foreign body of scalp, initial encounter
• S01.04XA — Puncture wound with foreign body of scalp, initial encounter
• S01.05XA — Open bite of scalp, initial encounter
• S01.101A — Unspecified open wound of right eyelid and periocular area, initial…
• S01.102A — Unspecified open wound of left eyelid and periocular area, initial…
• S01.111A — Laceration without foreign body of right eyelid and periocular area…
• S01.112A — Laceration without foreign body of left eyelid and periocular area…
• S01.121A — Laceration with foreign body of right eyelid and periocular area…
• S01.122A — Laceration with foreign body of left eyelid and periocular area…
• S01.131A — Puncture wound without foreign body of right eyelid and periocular…
• S01.132A — Puncture wound without foreign body of left eyelid and periocular…
• S01.141A — Puncture wound with foreign body of right eyelid and periocular…
• S01.142A — Puncture wound with foreign body of left eyelid and periocular area…
• S01.151A — Open bite of right eyelid and periocular area, initial encounter
• S01.152A — Open bite of left eyelid and periocular area, initial encounter
• S01.21XA — Laceration without foreign body of nose, initial encounter
• S01.22XA — Laceration with foreign body of nose, initial encounter
• S01.23XA — Puncture wound without foreign body of nose, initial encounter
• S01.24XA — Puncture wound with foreign body of nose, initial encounter

Frequently asked questions

Does Medicare cover S01.512A (Laceration without foreign body of oral cavity, initial…)?

Medicare covers items and services, not diagnoses. 3 Medicare billing and coding articles list S01.512A as a covered diagnosis for 29 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 S01.512A?

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 S01.512A?

A57554 (Billing and Coding: Immune Globulins); A52438 (Billing and Coding: Tetanus Immunization); A54767 (Billing and Coding: Medicare Preventive Coverage for Certain Vaccines).

What is ICD-10-CM code S01.512A?

S01.512A is the ICD-10-CM code for laceration without foreign body of oral cavity, initial encounter, in category S01 (Open wound of head), chapter 19: Injury, poisoning and other consequences of external causes.

Next steps

• Run a reimbursement report for a device billed under J1670
• Watch J1670 for fee, coverage and descriptor changes
• Build a full Medicare revenue model for J1670

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